{
  "schema": "omnisaura.snapshot/v2",
  "uid": "omnisaura:profile:grallator",
  "genus": "Grallator",
  "generated_at": "2026-10-12T10:16:43Z",
  "raw_run": "2026-10-12",
  "profile": {
    "name": {
      "value": "Grallator",
      "rule": "PBDB leads",
      "rule_id": "merge:lead_pbdb",
      "synthesis": false,
      "sources": [
        {
          "source": "pbdb",
          "license": "CC-BY-4.0"
        }
      ]
    },
    "authority": {
      "value": "Hitchcock 1858",
      "rule": "PBDB leads",
      "rule_id": "merge:lead_pbdb",
      "synthesis": false,
      "sources": [
        {
          "source": "pbdb",
          "license": "CC-BY-4.0"
        }
      ]
    },
    "type_species": {
      "value": null,
      "rule": null,
      "rule_id": null,
      "synthesis": false,
      "sources": []
    },
    "order": {
      "value": null,
      "rule": null,
      "rule_id": null,
      "synthesis": false,
      "sources": []
    },
    "family": {
      "value": "Grallatoridae",
      "rule": "PBDB leads",
      "rule_id": "merge:lead_pbdb",
      "synthesis": false,
      "sources": [
        {
          "source": "pbdb",
          "license": "CC-BY-4.0"
        }
      ]
    },
    "parent_name": {
      "value": "Grallatoridae",
      "rule": "PBDB leads",
      "rule_id": "merge:lead_pbdb",
      "synthesis": false,
      "sources": [
        {
          "source": "pbdb",
          "license": "CC-BY-4.0"
        }
      ]
    },
    "headline": {
      "value": [
        250.8,
        161.5,
        null,
        null
      ],
      "rule": "PBDB leads",
      "rule_id": "merge:lead_pbdb",
      "synthesis": false,
      "sources": [
        {
          "source": "pbdb",
          "license": "CC-BY-4.0"
        }
      ]
    },
    "evidence": {
      "value": [
        237.0,
        100.5
      ],
      "rule": "Omnisaura synthesis: span of confirmed PBDB records",
      "rule_id": "merge:omnisaura_synthesis_confirmed_occurrences",
      "synthesis": true,
      "sources": [
        {
          "source": "pbdb",
          "license": "CC-BY-4.0"
        }
      ]
    },
    "countries": {
      "value": [
        "AR",
        "AU",
        "BR",
        "CA",
        "CN",
        "DE",
        "DZ",
        "FR",
        "GB",
        "IN",
        "LS",
        "MA",
        "PL",
        "US",
        "ZA"
      ],
      "rule": "Union of all sources (ISO 3166)",
      "rule_id": "merge:union_iso3166",
      "synthesis": false,
      "sources": [
        {
          "source": "pbdb",
          "license": "CC-BY-4.0"
        }
      ]
    },
    "formations": {
      "value": [
        "Aztec Sandstone",
        "Bluewater Creek",
        "Boonton",
        "Bull Run",
        "Calcaire Nankin",
        "Calcaires à Stipites",
        "Cass",
        "Chignik",
        "Chinle",
        "Clarens",
        "Cow Branch",
        "Dolomitic",
        "Dolomitique",
        "Dongdaqiao",
        "Dry Fork",
        "Drzewica",
        "East Berlin",
        "Elliot Formation",
        "Entrada Sandstone",
        "Etjo",
        "Fengjiahe",
        "Fleming Fjord",
        "Gettysburg",
        "Grès et Argilites bariolées",
        "Grès supérieurs et Argiles associés",
        "Grès supérieurs et Argilites bariolées",
        "Houcheng",
        "Huincul",
        "Jiaguan",
        "Jianchuan",
        "Jinju",
        "Jiufotang",
        "Kayenta",
        "Kayenta/Navajo Sandstone",
        "La Matilde",
        "Lathi",
        "Lesotho",
        "Lockatong",
        "Longwangzhuang",
        "Manassas Sandstone",
        "McCoy Brook",
        "Mecsek Coal",
        "Mesa Rica Sandstone",
        "Middle Keuper",
        "Midland",
        "Moenave",
        "Moenkopi",
        "Molteno",
        "Monte Zugna",
        "Montemarcello",
        "Navajo Sandstone",
        "Navajo-Nugget Sandstone",
        "Nugget Sandstone",
        "Passaic",
        "Popo Agie",
        "Portland Formation",
        "Przysucha",
        "Quarziti di Monte Serra",
        "Razorback Beds",
        "Redonda",
        "Rock Point",
        "Shaximiao",
        "Sheep Pen Sandstone",
        "Sousa",
        "Stockton",
        "Summerville",
        "Süntel",
        "Timezgadiouine",
        "Tiout",
        "Towaco",
        "Travenanzes",
        "Tuchengzi",
        "Turners Falls",
        "Valtos Sandstone",
        "Wangjiashan",
        "Wingate Sandstone",
        "Wingate Sandstone/Kayenta",
        "Wolfville",
        "Wolfville/Blomidon",
        "Xiaoba",
        "Xintiangou",
        "Yanan",
        "Yixian",
        "Zagaje"
      ],
      "rule": "Canonical names, automatic and editor-approved matches applied",
      "rule_id": "merge:canonical_formations",
      "synthesis": false,
      "sources": [
        {
          "source": "pbdb",
          "license": "CC-BY-4.0"
        }
      ]
    },
    "common_names": {
      "value": null,
      "rule": null,
      "rule_id": null,
      "synthesis": false,
      "sources": []
    },
    "named_after": {
      "value": null,
      "rule": null,
      "rule_id": null,
      "synthesis": false,
      "sources": []
    }
  },
  "confidence": {
    "name": {
      "level": "high",
      "basis": "corroborated",
      "reasons": [
        "PBDB and Wikidata identify the same genus."
      ]
    },
    "authority": {
      "level": "medium",
      "basis": "single_source",
      "reasons": [
        "Only PBDB gives this; nothing contradicts it."
      ],
      "source": "PBDB"
    },
    "parent_name": {
      "level": "medium",
      "basis": "single_source",
      "reasons": [
        "Only PBDB gives this; nothing contradicts it."
      ],
      "source": "PBDB"
    },
    "family": {
      "level": "medium",
      "basis": "single_source",
      "reasons": [
        "Only PBDB gives this; nothing contradicts it."
      ],
      "source": "PBDB"
    },
    "headline": {
      "level": "medium",
      "basis": "single_source",
      "reasons": [
        "Only PBDB gives this; nothing contradicts it."
      ],
      "source": "PBDB"
    },
    "evidence": {
      "level": "medium",
      "basis": "synthesis",
      "reasons": [
        "Omnisaura's calculation from 370 confirmed PBDB records.",
        "3 record(s) identified only to genus, dated well outside the species-level records, were set aside as doubtful."
      ]
    },
    "countries": {
      "level": "mixed",
      "basis": "items",
      "reasons": [
        "Entries differ; see each entry."
      ],
      "items": [
        {
          "value": "AR",
          "level": "medium",
          "basis": "single_source",
          "reasons": [
            "Only PBDB records it (2 records)."
          ],
          "source": "PBDB"
        },
        {
          "value": "AU",
          "level": "low",
          "basis": "thin",
          "reasons": [
            "Only one PBDB record."
          ]
        },
        {
          "value": "BR",
          "level": "low",
          "basis": "thin",
          "reasons": [
            "Only one PBDB record."
          ]
        },
        {
          "value": "CA",
          "level": "medium",
          "basis": "single_source",
          "reasons": [
            "Only PBDB records it (10 records)."
          ],
          "source": "PBDB"
        },
        {
          "value": "CN",
          "level": "medium",
          "basis": "single_source",
          "reasons": [
            "Only PBDB records it (27 records)."
          ],
          "source": "PBDB"
        },
        {
          "value": "DE",
          "level": "medium",
          "basis": "single_source",
          "reasons": [
            "Only PBDB records it (2 records)."
          ],
          "source": "PBDB"
        },
        {
          "value": "DZ",
          "level": "low",
          "basis": "thin",
          "reasons": [
            "Only one PBDB record."
          ]
        },
        {
          "value": "FR",
          "level": "medium",
          "basis": "single_source",
          "reasons": [
            "Only PBDB records it (22 records)."
          ],
          "source": "PBDB"
        },
        {
          "value": "GB",
          "level": "medium",
          "basis": "single_source",
          "reasons": [
            "Only PBDB records it (6 records)."
          ],
          "source": "PBDB"
        },
        {
          "value": "IN",
          "level": "low",
          "basis": "thin",
          "reasons": [
            "Only one PBDB record."
          ]
        },
        {
          "value": "LS",
          "level": "medium",
          "basis": "single_source",
          "reasons": [
            "Only PBDB records it (26 records)."
          ],
          "source": "PBDB"
        },
        {
          "value": "MA",
          "level": "medium",
          "basis": "single_source",
          "reasons": [
            "Only PBDB records it (4 records)."
          ],
          "source": "PBDB"
        },
        {
          "value": "PL",
          "level": "medium",
          "basis": "single_source",
          "reasons": [
            "Only PBDB records it (4 records)."
          ],
          "source": "PBDB"
        },
        {
          "value": "US",
          "level": "medium",
          "basis": "single_source",
          "reasons": [
            "Only PBDB records it (254 records)."
          ],
          "source": "PBDB"
        },
        {
          "value": "ZA",
          "level": "medium",
          "basis": "single_source",
          "reasons": [
            "Only PBDB records it (4 records)."
          ],
          "source": "PBDB"
        }
      ]
    },
    "formations": {
      "level": "mixed",
      "basis": "items",
      "reasons": [
        "Entries differ; see each entry."
      ],
      "items": [
        {
          "value": "Aztec Sandstone",
          "level": "low",
          "basis": "thin",
          "reasons": [
            "Only one PBDB record."
          ]
        },
        {
          "value": "Bluewater Creek",
          "level": "low",
          "basis": "thin",
          "reasons": [
            "Only one PBDB record."
          ]
        },
        {
          "value": "Boonton",
          "level": "low",
          "basis": "thin",
          "reasons": [
            "Only one PBDB record."
          ]
        },
        {
          "value": "Bull Run",
          "level": "low",
          "basis": "thin",
          "reasons": [
            "Only one PBDB record."
          ]
        },
        {
          "value": "Calcaire Nankin",
          "level": "low",
          "basis": "thin",
          "reasons": [
            "Only one PBDB record."
          ]
        },
        {
          "value": "Calcaires à Stipites",
          "level": "low",
          "basis": "thin",
          "reasons": [
            "Only one PBDB record."
          ]
        },
        {
          "value": "Cass",
          "level": "low",
          "basis": "thin",
          "reasons": [
            "Only one PBDB record."
          ]
        },
        {
          "value": "Chignik",
          "level": "low",
          "basis": "thin",
          "reasons": [
            "Only one PBDB record."
          ]
        },
        {
          "value": "Chinle",
          "level": "medium",
          "basis": "single_source",
          "reasons": [
            "Only PBDB records it (3 records)."
          ],
          "source": "PBDB"
        },
        {
          "value": "Clarens",
          "level": "medium",
          "basis": "single_source",
          "reasons": [
            "Only PBDB records it (14 records)."
          ],
          "source": "PBDB"
        },
        {
          "value": "Cow Branch",
          "level": "low",
          "basis": "thin",
          "reasons": [
            "Only one PBDB record."
          ]
        },
        {
          "value": "Dolomitic",
          "level": "low",
          "basis": "thin",
          "reasons": [
            "Only one PBDB record."
          ]
        },
        {
          "value": "Dolomitique",
          "level": "medium",
          "basis": "single_source",
          "reasons": [
            "Only PBDB records it (3 records)."
          ],
          "source": "PBDB"
        },
        {
          "value": "Dongdaqiao",
          "level": "medium",
          "basis": "single_source",
          "reasons": [
            "Only PBDB records it (2 records)."
          ],
          "source": "PBDB"
        },
        {
          "value": "Dry Fork",
          "level": "low",
          "basis": "thin",
          "reasons": [
            "Only one PBDB record."
          ]
        },
        {
          "value": "Drzewica",
          "level": "low",
          "basis": "thin",
          "reasons": [
            "Only one PBDB record."
          ]
        },
        {
          "value": "East Berlin",
          "level": "medium",
          "basis": "single_source",
          "reasons": [
            "Only PBDB records it (30 records)."
          ],
          "source": "PBDB"
        },
        {
          "value": "Elliot Formation",
          "level": "medium",
          "basis": "single_source",
          "reasons": [
            "Only PBDB records it (13 records)."
          ],
          "source": "PBDB"
        },
        {
          "value": "Entrada Sandstone",
          "level": "low",
          "basis": "thin",
          "reasons": [
            "Only one PBDB record."
          ]
        },
        {
          "value": "Etjo",
          "level": "low",
          "basis": "thin",
          "reasons": [
            "Only one PBDB record."
          ]
        },
        {
          "value": "Fengjiahe",
          "level": "low",
          "basis": "thin",
          "reasons": [
            "Only one PBDB record."
          ]
        },
        {
          "value": "Fleming Fjord",
          "level": "low",
          "basis": "thin",
          "reasons": [
            "Only one PBDB record."
          ]
        },
        {
          "value": "Gettysburg",
          "level": "medium",
          "basis": "single_source",
          "reasons": [
            "Only PBDB records it (5 records)."
          ],
          "source": "PBDB"
        },
        {
          "value": "Grès et Argilites bariolées",
          "level": "medium",
          "basis": "single_source",
          "reasons": [
            "Only PBDB records it (2 records)."
          ],
          "source": "PBDB"
        },
        {
          "value": "Grès supérieurs et Argiles associés",
          "level": "medium",
          "basis": "single_source",
          "reasons": [
            "Only PBDB records it (2 records)."
          ],
          "source": "PBDB"
        },
        {
          "value": "Grès supérieurs et Argilites bariolées",
          "level": "medium",
          "basis": "single_source",
          "reasons": [
            "Only PBDB records it (2 records)."
          ],
          "source": "PBDB"
        },
        {
          "value": "Houcheng",
          "level": "low",
          "basis": "thin",
          "reasons": [
            "Only one PBDB record."
          ]
        },
        {
          "value": "Huincul",
          "level": "low",
          "basis": "thin",
          "reasons": [
            "Only one PBDB record."
          ]
        },
        {
          "value": "Jiaguan",
          "level": "low",
          "basis": "thin",
          "reasons": [
            "Only one PBDB record."
          ]
        },
        {
          "value": "Jianchuan",
          "level": "medium",
          "basis": "single_source",
          "reasons": [
            "Only PBDB records it (2 records)."
          ],
          "source": "PBDB"
        },
        {
          "value": "Jinju",
          "level": "low",
          "basis": "thin",
          "reasons": [
            "Only one PBDB record."
          ]
        },
        {
          "value": "Jiufotang",
          "level": "low",
          "basis": "thin",
          "reasons": [
            "Only one PBDB record."
          ]
        },
        {
          "value": "Kayenta",
          "level": "medium",
          "basis": "single_source",
          "reasons": [
            "Only PBDB records it (6 records)."
          ],
          "source": "PBDB"
        },
        {
          "value": "Kayenta/Navajo Sandstone",
          "level": "medium",
          "basis": "single_source",
          "reasons": [
            "Only PBDB records it (2 records)."
          ],
          "source": "PBDB"
        },
        {
          "value": "La Matilde",
          "level": "low",
          "basis": "thin",
          "reasons": [
            "Only one PBDB record."
          ]
        },
        {
          "value": "Lathi",
          "level": "low",
          "basis": "thin",
          "reasons": [
            "Only one PBDB record."
          ]
        },
        {
          "value": "Lesotho",
          "level": "low",
          "basis": "thin",
          "reasons": [
            "Only one PBDB record."
          ]
        },
        {
          "value": "Lockatong",
          "level": "medium",
          "basis": "single_source",
          "reasons": [
            "Only PBDB records it (2 records)."
          ],
          "source": "PBDB"
        },
        {
          "value": "Longwangzhuang",
          "level": "medium",
          "basis": "single_source",
          "reasons": [
            "Only PBDB records it (2 records)."
          ],
          "source": "PBDB"
        },
        {
          "value": "Manassas Sandstone",
          "level": "low",
          "basis": "thin",
          "reasons": [
            "Only one PBDB record."
          ]
        },
        {
          "value": "McCoy Brook",
          "level": "medium",
          "basis": "single_source",
          "reasons": [
            "Only PBDB records it (8 records)."
          ],
          "source": "PBDB"
        },
        {
          "value": "Mecsek Coal",
          "level": "low",
          "basis": "thin",
          "reasons": [
            "Only one PBDB record."
          ]
        },
        {
          "value": "Mesa Rica Sandstone",
          "level": "low",
          "basis": "thin",
          "reasons": [
            "Only one PBDB record."
          ]
        },
        {
          "value": "Middle Keuper",
          "level": "low",
          "basis": "thin",
          "reasons": [
            "Only one PBDB record."
          ]
        },
        {
          "value": "Midland",
          "level": "medium",
          "basis": "single_source",
          "reasons": [
            "Only PBDB records it (3 records)."
          ],
          "source": "PBDB"
        },
        {
          "value": "Moenave",
          "level": "medium",
          "basis": "single_source",
          "reasons": [
            "Only PBDB records it (9 records)."
          ],
          "source": "PBDB"
        },
        {
          "value": "Moenkopi",
          "level": "low",
          "basis": "thin",
          "reasons": [
            "Only one PBDB record."
          ]
        },
        {
          "value": "Molteno",
          "level": "medium",
          "basis": "single_source",
          "reasons": [
            "Only PBDB records it (2 records)."
          ],
          "source": "PBDB"
        },
        {
          "value": "Monte Zugna",
          "level": "low",
          "basis": "thin",
          "reasons": [
            "Only one PBDB record."
          ]
        },
        {
          "value": "Montemarcello",
          "level": "low",
          "basis": "thin",
          "reasons": [
            "Only one PBDB record."
          ]
        },
        {
          "value": "Navajo Sandstone",
          "level": "medium",
          "basis": "single_source",
          "reasons": [
            "Only PBDB records it (13 records)."
          ],
          "source": "PBDB"
        },
        {
          "value": "Navajo-Nugget Sandstone",
          "level": "medium",
          "basis": "single_source",
          "reasons": [
            "Only PBDB records it (6 records)."
          ],
          "source": "PBDB"
        },
        {
          "value": "Nugget Sandstone",
          "level": "medium",
          "basis": "single_source",
          "reasons": [
            "Only PBDB records it (3 records)."
          ],
          "source": "PBDB"
        },
        {
          "value": "Passaic",
          "level": "medium",
          "basis": "single_source",
          "reasons": [
            "Only PBDB records it (36 records)."
          ],
          "source": "PBDB"
        },
        {
          "value": "Popo Agie",
          "level": "medium",
          "basis": "single_source",
          "reasons": [
            "Only PBDB records it (3 records)."
          ],
          "source": "PBDB"
        },
        {
          "value": "Portland Formation",
          "level": "medium",
          "basis": "single_source",
          "reasons": [
            "Only PBDB records it (68 records)."
          ],
          "source": "PBDB"
        },
        {
          "value": "Przysucha",
          "level": "low",
          "basis": "thin",
          "reasons": [
            "Only one PBDB record."
          ]
        },
        {
          "value": "Quarziti di Monte Serra",
          "level": "low",
          "basis": "thin",
          "reasons": [
            "Only one PBDB record."
          ]
        },
        {
          "value": "Razorback Beds",
          "level": "low",
          "basis": "thin",
          "reasons": [
            "Only one PBDB record."
          ]
        },
        {
          "value": "Redonda",
          "level": "medium",
          "basis": "single_source",
          "reasons": [
            "Only PBDB records it (4 records)."
          ],
          "source": "PBDB"
        },
        {
          "value": "Rock Point",
          "level": "medium",
          "basis": "single_source",
          "reasons": [
            "Only PBDB records it (4 records)."
          ],
          "source": "PBDB"
        },
        {
          "value": "Shaximiao",
          "level": "low",
          "basis": "thin",
          "reasons": [
            "Only one PBDB record."
          ]
        },
        {
          "value": "Sheep Pen Sandstone",
          "level": "medium",
          "basis": "single_source",
          "reasons": [
            "Only PBDB records it (5 records)."
          ],
          "source": "PBDB"
        },
        {
          "value": "Sousa",
          "level": "low",
          "basis": "thin",
          "reasons": [
            "Only one PBDB record."
          ]
        },
        {
          "value": "Stockton",
          "level": "low",
          "basis": "thin",
          "reasons": [
            "Only one PBDB record."
          ]
        },
        {
          "value": "Summerville",
          "level": "low",
          "basis": "thin",
          "reasons": [
            "Only one PBDB record."
          ]
        },
        {
          "value": "Süntel",
          "level": "low",
          "basis": "thin",
          "reasons": [
            "Only one PBDB record."
          ]
        },
        {
          "value": "Timezgadiouine",
          "level": "medium",
          "basis": "single_source",
          "reasons": [
            "Only PBDB records it (4 records)."
          ],
          "source": "PBDB"
        },
        {
          "value": "Tiout",
          "level": "low",
          "basis": "thin",
          "reasons": [
            "Only one PBDB record."
          ]
        },
        {
          "value": "Towaco",
          "level": "medium",
          "basis": "single_source",
          "reasons": [
            "Only PBDB records it (2 records)."
          ],
          "source": "PBDB"
        },
        {
          "value": "Travenanzes",
          "level": "low",
          "basis": "thin",
          "reasons": [
            "Only one PBDB record."
          ]
        },
        {
          "value": "Tuchengzi",
          "level": "medium",
          "basis": "single_source",
          "reasons": [
            "Only PBDB records it (7 records)."
          ],
          "source": "PBDB"
        },
        {
          "value": "Turners Falls",
          "level": "medium",
          "basis": "single_source",
          "reasons": [
            "Only PBDB records it (8 records)."
          ],
          "source": "PBDB"
        },
        {
          "value": "Valtos Sandstone",
          "level": "medium",
          "basis": "single_source",
          "reasons": [
            "Only PBDB records it (4 records)."
          ],
          "source": "PBDB"
        },
        {
          "value": "Wangjiashan",
          "level": "medium",
          "basis": "single_source",
          "reasons": [
            "Only PBDB records it (3 records)."
          ],
          "source": "PBDB"
        },
        {
          "value": "Wingate Sandstone",
          "level": "medium",
          "basis": "single_source",
          "reasons": [
            "Only PBDB records it (19 records)."
          ],
          "source": "PBDB"
        },
        {
          "value": "Wingate Sandstone/Kayenta",
          "level": "low",
          "basis": "thin",
          "reasons": [
            "Only one PBDB record."
          ]
        },
        {
          "value": "Wolfville",
          "level": "low",
          "basis": "thin",
          "reasons": [
            "Only one PBDB record."
          ]
        },
        {
          "value": "Wolfville/Blomidon",
          "level": "low",
          "basis": "thin",
          "reasons": [
            "Only one PBDB record."
          ]
        },
        {
          "value": "Xiaoba",
          "level": "low",
          "basis": "thin",
          "reasons": [
            "Only one PBDB record."
          ]
        },
        {
          "value": "Xintiangou",
          "level": "medium",
          "basis": "single_source",
          "reasons": [
            "Only PBDB records it (2 records)."
          ],
          "source": "PBDB"
        },
        {
          "value": "Yanan",
          "level": "low",
          "basis": "thin",
          "reasons": [
            "Only one PBDB record."
          ]
        },
        {
          "value": "Yixian",
          "level": "low",
          "basis": "thin",
          "reasons": [
            "Only one PBDB record."
          ]
        },
        {
          "value": "Zagaje",
          "level": "medium",
          "basis": "single_source",
          "reasons": [
            "Only PBDB records it (2 records)."
          ],
          "source": "PBDB"
        }
      ]
    }
  },
  "gaps": {
    "missing": [
      {
        "field": "type_species",
        "label": "Type species",
        "note": "No source we use gives this yet."
      },
      {
        "field": "order",
        "label": "Order",
        "note": "No source we use gives this yet."
      },
      {
        "field": "common_names",
        "label": "Common names",
        "note": "No source we use gives this yet."
      },
      {
        "field": "named_after",
        "label": "Named after",
        "note": "No source we use gives this yet."
      }
    ],
    "single_source": [
      {
        "field": "authority",
        "label": "Authority",
        "source": "PBDB"
      },
      {
        "field": "parent_name",
        "label": "Parent group",
        "source": "PBDB"
      },
      {
        "field": "family",
        "label": "Family",
        "source": "PBDB"
      },
      {
        "field": "headline",
        "label": "Age (headline)",
        "source": "PBDB"
      }
    ],
    "disputed": [],
    "withheld": [
      {
        "records": "occurrences",
        "status": "related_other_genus",
        "count": 4,
        "reason": "occurrences with status related_other_genus"
      },
      {
        "records": "occurrences",
        "status": "tentative",
        "count": 55,
        "reason": "PBDB fossil records identified only tentatively (for example 'cf.' or '?')"
      }
    ]
  },
  "assessment": {
    "levels": {
      "high": "Two independent sources agree, or an editor has ruled.",
      "medium": "One source; nothing contradicts it.",
      "low": "Sources disagree and no editor has ruled yet, or too few records."
    },
    "by": "Omnisaura",
    "license_id": "OMNISAURA-EDITORIAL"
  },
  "formation_matches": [
    {
      "name": "Elliot",
      "same_as": "Elliot Formation",
      "status": "automatic",
      "ruling": null
    },
    {
      "name": "Portland",
      "same_as": "Portland Formation",
      "status": "automatic",
      "ruling": null
    }
  ],
  "credits": {
    "genus": "Grallator",
    "scope": "confirmed matches only",
    "data_sources": [
      {
        "values": 18750,
        "retrieved": [
          "2026-10-04",
          "2026-10-05",
          "2026-10-10",
          "2026-10-11"
        ],
        "source": "pbdb",
        "license_id": "CC-BY-4.0",
        "license_name": "Creative Commons Attribution 4.0",
        "license_url": "https://creativecommons.org/licenses/by/4.0/",
        "requires_attribution": true,
        "attribution": "Data from the Paleobiology Database (https://paleobiodb.org), licensed CC BY 4.0.",
        "source_name": "Paleobiology Database",
        "homepage": "https://paleobiodb.org"
      },
      {
        "values": 22,
        "retrieved": [
          "2026-10-05",
          "2026-10-10"
        ],
        "source": "nhm",
        "license_id": "CC0-1.0",
        "license_name": "Creative Commons Zero 1.0 (public domain dedication)",
        "license_url": "https://creativecommons.org/publicdomain/zero/1.0/",
        "requires_attribution": false,
        "attribution": "Natural History Museum (London) Data Portal, Collection specimens dataset, https://doi.org/10.5519/0002965. Image licenses vary per record.",
        "source_name": "Natural History Museum Data Portal",
        "homepage": "https://data.nhm.ac.uk"
      },
      {
        "values": 19,
        "retrieved": [
          "2026-10-11"
        ],
        "source": "wikidata",
        "license_id": "CC0-1.0",
        "license_name": "Creative Commons Zero 1.0 (public domain dedication)",
        "license_url": "https://creativecommons.org/publicdomain/zero/1.0/",
        "requires_attribution": false,
        "attribution": "Data from Wikidata (https://www.wikidata.org), CC0 1.0.",
        "source_name": "Wikidata",
        "homepage": "https://www.wikidata.org"
      }
    ],
    "images": [
      {
        "media_id": 3868,
        "title": "File:Grallator.jpg",
        "category": "Taxon image",
        "url": "https://upload.wikimedia.org/wikipedia/commons/9/9a/Grallator.jpg?utm_source=commons.wikimedia.org&utm_campaign=imageinfo&utm_content=original",
        "page_url": "https://commons.wikimedia.org/wiki/File:Grallator.jpg",
        "source": "commons",
        "rights_holder": "Smokeybjb",
        "catalog_number": null,
        "license_id": "CC-BY-SA-3.0",
        "license_name": "Creative Commons Attribution-ShareAlike 3.0",
        "license_url": "https://creativecommons.org/licenses/by-sa/3.0/",
        "requires_attribution": true,
        "share_alike": true,
        "attribution": "Smokeybjb (Own work), via Wikimedia Commons (https://commons.wikimedia.org/wiki/File:Grallator.jpg)"
      }
    ],
    "derived_ages": null,
    "references": 370
  },
  "credits_markdown": "## Grallator: Sources & credits\n\n_Scope: confirmed matches only._\n\n### Data\n- **Paleobiology Database** (https://paleobiodb.org): [Creative Commons Attribution 4.0](https://creativecommons.org/licenses/by/4.0/). Data from the Paleobiology Database (https://paleobiodb.org), licensed CC BY 4.0. Retrieved 4 October 2026, 5 October 2026, 10 October 2026, 11 October 2026.\n- **Natural History Museum Data Portal** (https://data.nhm.ac.uk): [Creative Commons Zero 1.0 (public domain dedication)](https://creativecommons.org/publicdomain/zero/1.0/). Natural History Museum (London) Data Portal, Collection specimens dataset, https://doi.org/10.5519/0002965. Image licenses vary per record. Retrieved 5 October 2026, 10 October 2026. _Credited as a courtesy: this licence doesn't require attribution._\n- **Wikidata** (https://www.wikidata.org): [Creative Commons Zero 1.0 (public domain dedication)](https://creativecommons.org/publicdomain/zero/1.0/). Data from Wikidata (https://www.wikidata.org), CC0 1.0. Retrieved 11 October 2026. _Credited as a courtesy: this licence doesn't require attribution._\n\n### Images (1)\n- “File:Grallator.jpg” (Taxon image): Smokeybjb (Own work), via Wikimedia Commons (https://commons.wikimedia.org/wiki/File:Grallator.jpg). [Creative Commons Attribution-ShareAlike 3.0](https://creativecommons.org/licenses/by-sa/3.0/). Shown unmodified (share-alike licence).\n\n### Scientific references\n\n370 published reference(s) support this entry (via the Paleobiology Database).\n",
  "notice": "Omnisaura data combines sources under different licences. Every genus file lists its credits; anyone showing a value must show the credits for it. Images keep their own licences; share-alike images may only be shown unmodified.",
  "fossil_basis": "trace",
  "original_description": {
    "citation": "E. Hitchcock (1858). Ichnology of New England. A Report on the Sandstone of the Connecticut Valley, Especially its Fossil Footmarks, Made to the Government of the Commonwealth of Massachusetts: xii–214.",
    "authors": "E. Hitchcock",
    "year": 1858,
    "title": null,
    "publication": "Ichnology of New England. A Report on the Sandstone of the Connecticut Valley, Especially its Fossil Footmarks, Made to the Government of the Commonwealth of Massachusetts",
    "volume": null,
    "issue": null,
    "pages": "xii–214",
    "doi": "10.1037/12151-000",
    "url": "https://doi.org/10.1037/12151-000",
    "what": "The publication the Paleobiology Database gives as the authority for this genus name, usually the one that first named and described it.",
    "confidence": {
      "level": "medium",
      "reasons": [
        "Only PBDB gives this; its author and year match the naming authority (Hitchcock 1858)."
      ]
    },
    "source": "pbdb",
    "source_name": "Paleobiology Database",
    "license_id": "CC-BY-4.0",
    "pbdb_reference_no": "29531"
  },
  "summary": "Omnisaura summary: Grallator, Hitchcock 1858\n\n- What it is: Known only from footprints or other traces: the name is for the traces themselves (an ichnogenus), and which dinosaur made them is usually not known for certain.\n- Named by: Hitchcock 1858 (medium confidence: only PBDB gives this; nothing contradicts it).\n- Family: Grallatoridae (medium confidence: only PBDB gives this; nothing contradicts it).\n- Parent group: Grallatoridae (medium confidence: only PBDB gives this; nothing contradicts it).\n- Age, as published by the Paleobiology Database: 250.8–161.5 million years ago (medium confidence: only PBDB gives this; nothing contradicts it).\n- Age, Omnisaura's own calculation (not a published figure): 237–100.5 million years ago (medium confidence: Omnisaura's calculation from 370 confirmed PBDB records).\n- Fossils found in: Argentina (medium: only PBDB records it (2 records)); Canada (medium: only PBDB records it (10 records)); China (medium: only PBDB records it (27 records)); Germany (medium: only PBDB records it (2 records)); France (medium: only PBDB records it (22 records)); United Kingdom (medium: only PBDB records it (6 records)); Lesotho (medium: only PBDB records it (26 records)); Morocco (medium: only PBDB records it (4 records)); Poland (medium: only PBDB records it (4 records)); United States (medium: only PBDB records it (254 records)); South Africa (medium: only PBDB records it (4 records)); Australia (low: only one PBDB record); Brazil (low: only one PBDB record); Algeria (low: only one PBDB record); India (low: only one PBDB record).\n- Rock formations: Chinle (medium: only PBDB records it (3 records)); Clarens (medium: only PBDB records it (14 records)); Dolomitique (medium: only PBDB records it (3 records)); Dongdaqiao (medium: only PBDB records it (2 records)); East Berlin (medium: only PBDB records it (30 records)); Elliot Formation (medium: only PBDB records it (13 records)); Gettysburg (medium: only PBDB records it (5 records)); Grès et Argilites bariolées (medium: only PBDB records it (2 records)); Grès supérieurs et Argiles associés (medium: only PBDB records it (2 records)); Grès supérieurs et Argilites bariolées (medium: only PBDB records it (2 records)); Jianchuan (medium: only PBDB records it (2 records)); Kayenta (medium: only PBDB records it (6 records)); Kayenta/Navajo Sandstone (medium: only PBDB records it (2 records)); Lockatong (medium: only PBDB records it (2 records)); Longwangzhuang (medium: only PBDB records it (2 records)); McCoy Brook (medium: only PBDB records it (8 records)); Midland (medium: only PBDB records it (3 records)); Moenave (medium: only PBDB records it (9 records)); Molteno (medium: only PBDB records it (2 records)); Navajo Sandstone (medium: only PBDB records it (13 records)); Navajo-Nugget Sandstone (medium: only PBDB records it (6 records)); Nugget Sandstone (medium: only PBDB records it (3 records)); Passaic (medium: only PBDB records it (36 records)); Popo Agie (medium: only PBDB records it (3 records)); Portland Formation (medium: only PBDB records it (68 records)); Redonda (medium: only PBDB records it (4 records)); Rock Point (medium: only PBDB records it (4 records)); Sheep Pen Sandstone (medium: only PBDB records it (5 records)); Timezgadiouine (medium: only PBDB records it (4 records)); Towaco (medium: only PBDB records it (2 records)); Tuchengzi (medium: only PBDB records it (7 records)); Turners Falls (medium: only PBDB records it (8 records)); Valtos Sandstone (medium: only PBDB records it (4 records)); Wangjiashan (medium: only PBDB records it (3 records)); Wingate Sandstone (medium: only PBDB records it (19 records)); Xintiangou (medium: only PBDB records it (2 records)); Zagaje (medium: only PBDB records it (2 records)); Aztec Sandstone (low: only one PBDB record); Bluewater Creek (low: only one PBDB record); Boonton (low: only one PBDB record); Bull Run (low: only one PBDB record); Calcaire Nankin (low: only one PBDB record); Calcaires à Stipites (low: only one PBDB record); Cass (low: only one PBDB record); Chignik (low: only one PBDB record); Cow Branch (low: only one PBDB record); Dolomitic (low: only one PBDB record); Dry Fork (low: only one PBDB record); Drzewica (low: only one PBDB record); Entrada Sandstone (low: only one PBDB record); Etjo (low: only one PBDB record); Fengjiahe (low: only one PBDB record); Fleming Fjord (low: only one PBDB record); Houcheng (low: only one PBDB record); Huincul (low: only one PBDB record); Jiaguan (low: only one PBDB record); Jinju (low: only one PBDB record); Jiufotang (low: only one PBDB record); La Matilde (low: only one PBDB record); Lathi (low: only one PBDB record); Lesotho (low: only one PBDB record); Manassas Sandstone (low: only one PBDB record); Mecsek Coal (low: only one PBDB record); Mesa Rica Sandstone (low: only one PBDB record); Middle Keuper (low: only one PBDB record); Moenkopi (low: only one PBDB record); Monte Zugna (low: only one PBDB record); Montemarcello (low: only one PBDB record); Przysucha (low: only one PBDB record); Quarziti di Monte Serra (low: only one PBDB record); Razorback Beds (low: only one PBDB record); Shaximiao (low: only one PBDB record); Sousa (low: only one PBDB record); Stockton (low: only one PBDB record); Summerville (low: only one PBDB record); Süntel (low: only one PBDB record); Tiout (low: only one PBDB record); Travenanzes (low: only one PBDB record); Wingate Sandstone/Kayenta (low: only one PBDB record); Wolfville (low: only one PBDB record); Wolfville/Blomidon (low: only one PBDB record); Xiaoba (low: only one PBDB record); Yanan (low: only one PBDB record); Yixian (low: only one PBDB record).\n- Original description: E. Hitchcock (1858). Ichnology of New England. A Report on the Sandstone of the Connecticut Valley, Especially its Fossil Footmarks, Made to the Government of the Commonwealth of Massachusetts: xii–214. https://doi.org/10.1037/12151-000 (medium confidence: only PBDB gives this; its author and year match the naming authority (Hitchcock 1858)).\n\nNot known or disputed:\n- Type species: no source Omnisaura uses gives this.\n- Order: no source Omnisaura uses gives this.\n- Common names: no source Omnisaura uses gives this.\n- Named after: no source Omnisaura uses gives this.\n- 59 fossil record(s) left out because their identification is uncertain.\n\nNot covered by Omnisaura: diet, size, weight, appearance or behaviour. Do not fill these in from general knowledge as if they came from Omnisaura.\n\nCredits (must be shown with any of this): Natural History Museum Data Portal (CC0-1.0); Paleobiology Database (CC-BY-4.0); Wikidata (CC0-1.0)."
}