{
  "schema": "omnisaura.snapshot/v2",
  "uid": "omnisaura:profile:brontopodus",
  "genus": "Brontopodus",
  "generated_at": "2026-10-12T10:16:43Z",
  "raw_run": "2026-10-12",
  "profile": {
    "name": {
      "value": "Brontopodus",
      "rule": "PBDB leads",
      "rule_id": "merge:lead_pbdb",
      "synthesis": false,
      "sources": [
        {
          "source": "pbdb",
          "license": "CC-BY-4.0"
        }
      ]
    },
    "authority": {
      "value": "Farlow et al. 1989",
      "rule": "PBDB leads",
      "rule_id": "merge:lead_pbdb",
      "synthesis": false,
      "sources": [
        {
          "source": "pbdb",
          "license": "CC-BY-4.0"
        }
      ]
    },
    "type_species": {
      "value": "Brontopodus birdi",
      "rule": "PBDB leads",
      "rule_id": "merge:lead_pbdb",
      "synthesis": false,
      "sources": [
        {
          "source": "pbdb",
          "license": "CC-BY-4.0"
        }
      ]
    },
    "order": {
      "value": null,
      "rule": null,
      "rule_id": null,
      "synthesis": false,
      "sources": []
    },
    "family": {
      "value": null,
      "rule": null,
      "rule_id": null,
      "synthesis": false,
      "sources": []
    },
    "parent_name": {
      "value": "Sauropoda",
      "rule": "PBDB leads",
      "rule_id": "merge:lead_pbdb",
      "synthesis": false,
      "sources": [
        {
          "source": "pbdb",
          "license": "CC-BY-4.0"
        }
      ]
    },
    "headline": {
      "value": [
        201.4,
        100.5,
        "Hettangian",
        "Albian"
      ],
      "rule": "PBDB leads",
      "rule_id": "merge:lead_pbdb",
      "synthesis": false,
      "sources": [
        {
          "source": "pbdb",
          "license": "CC-BY-4.0"
        }
      ]
    },
    "evidence": {
      "value": [
        174.7,
        85.7
      ],
      "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": [
        "CA",
        "CN",
        "DZ",
        "ES",
        "FR",
        "GB",
        "MA",
        "PL",
        "PT",
        "US"
      ],
      "rule": "Union of all sources (ISO 3166)",
      "rule_id": "merge:union_iso3166",
      "synthesis": false,
      "sources": [
        {
          "source": "pbdb",
          "license": "CC-BY-4.0"
        }
      ]
    },
    "formations": {
      "value": [
        "Alcobaça",
        "Blaziny Oolite Limestones",
        "Camadas de Almargem",
        "Cazals",
        "Cedar Mountain",
        "Couches du Chailley",
        "Dansirit",
        "De Queen",
        "Entrada Sandstone",
        "Espichel",
        "Feitianshan",
        "Glen Rose Limestone",
        "Haman",
        "Huérteles",
        "Iouaridène",
        "Jiaguan",
        "Jiangdihe",
        "Jindong",
        "Jinju",
        "Larriba",
        "Leidashu",
        "Mist Mountain",
        "Morrison Formation",
        "Patuxent",
        "Pinilla de los Moros",
        "Saltwick",
        "Shedian",
        "Shouchang",
        "Tereñes",
        "Tianjialou",
        "Tiloula",
        "Tuchengzi",
        "Twin Mountains",
        "Villar del Arzobispo",
        "Xiaoba"
      ],
      "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"
    },
    "type_species": {
      "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"
    },
    "headline": {
      "level": "low",
      "basis": "disputed",
      "reasons": [
        "Sources disagree and an editor has not ruled yet."
      ]
    },
    "evidence": {
      "level": "medium",
      "basis": "synthesis",
      "reasons": [
        "Omnisaura's calculation from 78 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": "CA",
          "level": "low",
          "basis": "thin",
          "reasons": [
            "Only one PBDB record."
          ]
        },
        {
          "value": "CN",
          "level": "medium",
          "basis": "single_source",
          "reasons": [
            "Only PBDB records it (21 records)."
          ],
          "source": "PBDB"
        },
        {
          "value": "DZ",
          "level": "low",
          "basis": "thin",
          "reasons": [
            "Only one PBDB record."
          ]
        },
        {
          "value": "ES",
          "level": "medium",
          "basis": "single_source",
          "reasons": [
            "Only PBDB records it (10 records)."
          ],
          "source": "PBDB"
        },
        {
          "value": "FR",
          "level": "medium",
          "basis": "single_source",
          "reasons": [
            "Only PBDB records it (4 records)."
          ],
          "source": "PBDB"
        },
        {
          "value": "GB",
          "level": "low",
          "basis": "thin",
          "reasons": [
            "Only one PBDB record."
          ]
        },
        {
          "value": "MA",
          "level": "low",
          "basis": "thin",
          "reasons": [
            "Only one PBDB record."
          ]
        },
        {
          "value": "PL",
          "level": "low",
          "basis": "thin",
          "reasons": [
            "Only one PBDB record."
          ]
        },
        {
          "value": "PT",
          "level": "medium",
          "basis": "single_source",
          "reasons": [
            "Only PBDB records it (11 records)."
          ],
          "source": "PBDB"
        },
        {
          "value": "US",
          "level": "medium",
          "basis": "single_source",
          "reasons": [
            "Only PBDB records it (16 records)."
          ],
          "source": "PBDB"
        }
      ]
    },
    "formations": {
      "level": "mixed",
      "basis": "items",
      "reasons": [
        "Entries differ; see each entry."
      ],
      "items": [
        {
          "value": "Alcobaça",
          "level": "low",
          "basis": "thin",
          "reasons": [
            "Only one PBDB record."
          ]
        },
        {
          "value": "Blaziny Oolite Limestones",
          "level": "low",
          "basis": "thin",
          "reasons": [
            "Only one PBDB record."
          ]
        },
        {
          "value": "Camadas de Almargem",
          "level": "low",
          "basis": "thin",
          "reasons": [
            "Only one PBDB record."
          ]
        },
        {
          "value": "Cazals",
          "level": "low",
          "basis": "thin",
          "reasons": [
            "Only one PBDB record."
          ]
        },
        {
          "value": "Cedar Mountain",
          "level": "low",
          "basis": "thin",
          "reasons": [
            "Only one PBDB record."
          ]
        },
        {
          "value": "Couches du Chailley",
          "level": "low",
          "basis": "thin",
          "reasons": [
            "Only one PBDB record."
          ]
        },
        {
          "value": "Dansirit",
          "level": "low",
          "basis": "thin",
          "reasons": [
            "Only one PBDB record."
          ]
        },
        {
          "value": "De Queen",
          "level": "low",
          "basis": "thin",
          "reasons": [
            "Only one PBDB record."
          ]
        },
        {
          "value": "Entrada Sandstone",
          "level": "low",
          "basis": "thin",
          "reasons": [
            "Only one PBDB record."
          ]
        },
        {
          "value": "Espichel",
          "level": "medium",
          "basis": "single_source",
          "reasons": [
            "Only PBDB records it (8 records)."
          ],
          "source": "PBDB"
        },
        {
          "value": "Feitianshan",
          "level": "medium",
          "basis": "single_source",
          "reasons": [
            "Only PBDB records it (3 records)."
          ],
          "source": "PBDB"
        },
        {
          "value": "Glen Rose Limestone",
          "level": "medium",
          "basis": "single_source",
          "reasons": [
            "Only PBDB records it (9 records)."
          ],
          "source": "PBDB"
        },
        {
          "value": "Haman",
          "level": "medium",
          "basis": "single_source",
          "reasons": [
            "Only PBDB records it (2 records)."
          ],
          "source": "PBDB"
        },
        {
          "value": "Huérteles",
          "level": "low",
          "basis": "thin",
          "reasons": [
            "Only one PBDB record."
          ]
        },
        {
          "value": "Iouaridène",
          "level": "low",
          "basis": "thin",
          "reasons": [
            "Only one PBDB record."
          ]
        },
        {
          "value": "Jiaguan",
          "level": "medium",
          "basis": "single_source",
          "reasons": [
            "Only PBDB records it (3 records)."
          ],
          "source": "PBDB"
        },
        {
          "value": "Jiangdihe",
          "level": "medium",
          "basis": "single_source",
          "reasons": [
            "Only PBDB records it (5 records)."
          ],
          "source": "PBDB"
        },
        {
          "value": "Jindong",
          "level": "medium",
          "basis": "single_source",
          "reasons": [
            "Only PBDB records it (10 records)."
          ],
          "source": "PBDB"
        },
        {
          "value": "Jinju",
          "level": "low",
          "basis": "thin",
          "reasons": [
            "Only one PBDB record."
          ]
        },
        {
          "value": "Larriba",
          "level": "low",
          "basis": "thin",
          "reasons": [
            "Only one PBDB record."
          ]
        },
        {
          "value": "Leidashu",
          "level": "low",
          "basis": "thin",
          "reasons": [
            "Only one PBDB record."
          ]
        },
        {
          "value": "Mist Mountain",
          "level": "low",
          "basis": "thin",
          "reasons": [
            "Only one PBDB record."
          ]
        },
        {
          "value": "Morrison Formation",
          "level": "low",
          "basis": "thin",
          "reasons": [
            "Only one PBDB record."
          ]
        },
        {
          "value": "Patuxent",
          "level": "medium",
          "basis": "single_source",
          "reasons": [
            "Only PBDB records it (2 records)."
          ],
          "source": "PBDB"
        },
        {
          "value": "Pinilla de los Moros",
          "level": "low",
          "basis": "thin",
          "reasons": [
            "Only one PBDB record."
          ]
        },
        {
          "value": "Saltwick",
          "level": "low",
          "basis": "thin",
          "reasons": [
            "Only one PBDB record."
          ]
        },
        {
          "value": "Shedian",
          "level": "low",
          "basis": "thin",
          "reasons": [
            "Only one PBDB record."
          ]
        },
        {
          "value": "Shouchang",
          "level": "low",
          "basis": "thin",
          "reasons": [
            "Only one PBDB record."
          ]
        },
        {
          "value": "Tereñes",
          "level": "low",
          "basis": "thin",
          "reasons": [
            "Only one PBDB record."
          ]
        },
        {
          "value": "Tianjialou",
          "level": "medium",
          "basis": "single_source",
          "reasons": [
            "Only PBDB records it (3 records)."
          ],
          "source": "PBDB"
        },
        {
          "value": "Tiloula",
          "level": "low",
          "basis": "thin",
          "reasons": [
            "Only one PBDB record."
          ]
        },
        {
          "value": "Tuchengzi",
          "level": "low",
          "basis": "thin",
          "reasons": [
            "Only one PBDB record."
          ]
        },
        {
          "value": "Twin Mountains",
          "level": "low",
          "basis": "thin",
          "reasons": [
            "Only one PBDB record."
          ]
        },
        {
          "value": "Villar del Arzobispo",
          "level": "medium",
          "basis": "single_source",
          "reasons": [
            "Only PBDB records it (2 records)."
          ],
          "source": "PBDB"
        },
        {
          "value": "Xiaoba",
          "level": "medium",
          "basis": "single_source",
          "reasons": [
            "Only PBDB records it (2 records)."
          ],
          "source": "PBDB"
        }
      ]
    }
  },
  "gaps": {
    "missing": [
      {
        "field": "order",
        "label": "Order",
        "note": "No source we use gives this yet."
      },
      {
        "field": "family",
        "label": "Family",
        "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": "type_species",
        "label": "Type species",
        "source": "PBDB"
      },
      {
        "field": "parent_name",
        "label": "Parent group",
        "source": "PBDB"
      }
    ],
    "disputed": [
      {
        "field": "headline",
        "label": "Age",
        "note": "The ages of the records reach well beyond the published range.",
        "values": [
          {
            "source": "PBDB",
            "source_id": "pbdb",
            "value": "201.4–100.5 Ma"
          },
          {
            "source": "PBDB's own confirmed records",
            "source_id": "pbdb",
            "value": "174.7–85.7 Ma"
          }
        ]
      }
    ],
    "withheld": [
      {
        "records": "occurrences",
        "status": "tentative",
        "count": 31,
        "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": "Morrison",
      "same_as": "Morrison Formation",
      "status": "automatic",
      "ruling": null
    }
  ],
  "credits": {
    "genus": "Brontopodus",
    "scope": "confirmed matches only",
    "data_sources": [
      {
        "values": 5279,
        "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": 7,
        "retrieved": [
          "2026-10-04"
        ],
        "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": [],
    "derived_ages": null,
    "references": 148
  },
  "credits_markdown": "## Brontopodus: 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 4 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 (0)\n_No images._\n\n### Scientific references\n\n148 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": "J. O. Farlow, J. G. Pittman, J. M. Hawthorne (1989). Brontopodus birdi, Lower Cretaceous dinosaur footprints from the U.S. Gulf Coastal Plain. Dinosaur Tracks and Traces. Cambridge University Press, Cambridge: 371–394.",
    "authors": "J. O. Farlow, J. G. Pittman, J. M. Hawthorne",
    "year": 1989,
    "title": "Brontopodus birdi, Lower Cretaceous dinosaur footprints from the U.S. Gulf Coastal Plain",
    "publication": "Dinosaur Tracks and Traces. Cambridge University Press, Cambridge",
    "volume": null,
    "issue": null,
    "pages": "371–394",
    "doi": null,
    "url": null,
    "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 (Farlow et al. 1989)."
      ]
    },
    "source": "pbdb",
    "source_name": "Paleobiology Database",
    "license_id": "CC-BY-4.0",
    "pbdb_reference_no": "14222"
  },
  "summary": "Omnisaura summary: Brontopodus, Farlow et al. 1989\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: Farlow et al. 1989 (medium confidence: only PBDB gives this; nothing contradicts it).\n- Parent group: Sauropoda (medium confidence: only PBDB gives this; nothing contradicts it).\n- Type species: Brontopodus birdi (medium confidence: only PBDB gives this; nothing contradicts it).\n- Age, as published by the Paleobiology Database: Hettangian to Albian, 201.4–100.5 million years ago (low confidence: sources disagree and an editor has not ruled yet).\n- Age, Omnisaura's own calculation (not a published figure): 174.7–85.7 million years ago (medium confidence: Omnisaura's calculation from 78 confirmed PBDB records).\n- Fossils found in: China (medium: only PBDB records it (21 records)); Spain (medium: only PBDB records it (10 records)); France (medium: only PBDB records it (4 records)); Portugal (medium: only PBDB records it (11 records)); United States (medium: only PBDB records it (16 records)); Canada (low: only one PBDB record); Algeria (low: only one PBDB record); United Kingdom (low: only one PBDB record); Morocco (low: only one PBDB record); Poland (low: only one PBDB record).\n- Rock formations: Espichel (medium: only PBDB records it (8 records)); Feitianshan (medium: only PBDB records it (3 records)); Glen Rose Limestone (medium: only PBDB records it (9 records)); Haman (medium: only PBDB records it (2 records)); Jiaguan (medium: only PBDB records it (3 records)); Jiangdihe (medium: only PBDB records it (5 records)); Jindong (medium: only PBDB records it (10 records)); Patuxent (medium: only PBDB records it (2 records)); Tianjialou (medium: only PBDB records it (3 records)); Villar del Arzobispo (medium: only PBDB records it (2 records)); Xiaoba (medium: only PBDB records it (2 records)); Alcobaça (low: only one PBDB record); Blaziny Oolite Limestones (low: only one PBDB record); Camadas de Almargem (low: only one PBDB record); Cazals (low: only one PBDB record); Cedar Mountain (low: only one PBDB record); Couches du Chailley (low: only one PBDB record); Dansirit (low: only one PBDB record); De Queen (low: only one PBDB record); Entrada Sandstone (low: only one PBDB record); Huérteles (low: only one PBDB record); Iouaridène (low: only one PBDB record); Jinju (low: only one PBDB record); Larriba (low: only one PBDB record); Leidashu (low: only one PBDB record); Mist Mountain (low: only one PBDB record); Morrison Formation (low: only one PBDB record); Pinilla de los Moros (low: only one PBDB record); Saltwick (low: only one PBDB record); Shedian (low: only one PBDB record); Shouchang (low: only one PBDB record); Tereñes (low: only one PBDB record); Tiloula (low: only one PBDB record); Tuchengzi (low: only one PBDB record); Twin Mountains (low: only one PBDB record).\n- Original description: J. O. Farlow, J. G. Pittman, J. M. Hawthorne (1989). Brontopodus birdi, Lower Cretaceous dinosaur footprints from the U.S. Gulf Coastal Plain. Dinosaur Tracks and Traces. Cambridge University Press, Cambridge: 371–394. (medium confidence: only PBDB gives this; its author and year match the naming authority (Farlow et al. 1989)).\n\nNot known or disputed:\n- Age: sources disagree (PBDB says 201.4–100.5 Ma; PBDB's own confirmed records says 174.7–85.7 Ma). Awaiting an Omnisaura editor.\n- Order: no source Omnisaura uses gives this.\n- Family: 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- 31 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)."
}