{
  "schema": "omnisaura.snapshot/v2",
  "uid": "omnisaura:profile:hylaeosaurus",
  "genus": "Hylaeosaurus",
  "generated_at": "2026-10-12T10:16:43Z",
  "raw_run": "2026-10-12",
  "profile": {
    "name": {
      "value": "Hylaeosaurus",
      "rule": "PBDB leads",
      "rule_id": "merge:lead_pbdb",
      "synthesis": false,
      "sources": [
        {
          "source": "pbdb",
          "license": "CC-BY-4.0"
        }
      ]
    },
    "authority": {
      "value": "Mantell 1833",
      "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": "Ornithischia",
      "rule": "Gap filled from NHM",
      "rule_id": "merge:gap_fill_nhm",
      "synthesis": false,
      "sources": [
        {
          "source": "nhm",
          "license": "CC0-1.0"
        }
      ]
    },
    "family": {
      "value": "Nodosauridae",
      "rule": "PBDB leads",
      "rule_id": "merge:lead_pbdb",
      "synthesis": false,
      "sources": [
        {
          "source": "pbdb",
          "license": "CC-BY-4.0"
        },
        {
          "source": "nhm",
          "license": "CC0-1.0"
        }
      ]
    },
    "parent_name": {
      "value": "Nodosauridae",
      "rule": "PBDB leads",
      "rule_id": "merge:lead_pbdb",
      "synthesis": false,
      "sources": [
        {
          "source": "pbdb",
          "license": "CC-BY-4.0"
        }
      ]
    },
    "headline": {
      "value": [
        139.1,
        110.1,
        "Berriasian",
        "Albian"
      ],
      "rule": "PBDB leads",
      "rule_id": "merge:lead_pbdb",
      "synthesis": false,
      "sources": [
        {
          "source": "pbdb",
          "license": "CC-BY-4.0"
        }
      ]
    },
    "evidence": {
      "value": [
        139.1,
        110.1
      ],
      "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": [
        "DE",
        "FR",
        "GB"
      ],
      "rule": "Union of all sources (ISO 3166)",
      "rule_id": "merge:union_iso3166",
      "synthesis": false,
      "sources": [
        {
          "source": "pbdb",
          "license": "CC-BY-4.0"
        },
        {
          "source": "nhm",
          "license": "CC0-1.0"
        }
      ]
    },
    "formations": {
      "value": [
        "Ashdown Formation",
        "Bückeberg",
        "Greensand Formation",
        "Tunbridge Wells Sand Formation",
        "Wadhurst Clay Formation",
        "Weald Clay Formation",
        "West Melbury Marly Chalk Formation"
      ],
      "rule": "Canonical names, automatic and editor-approved matches applied",
      "rule_id": "merge:canonical_formations",
      "synthesis": false,
      "sources": [
        {
          "source": "pbdb",
          "license": "CC-BY-4.0"
        },
        {
          "source": "nhm",
          "license": "CC0-1.0"
        }
      ]
    },
    "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": "high",
      "basis": "corroborated",
      "reasons": [
        "PBDB and NHM agree."
      ]
    },
    "order": {
      "level": "medium",
      "basis": "single_source",
      "reasons": [
        "Only NHM gives this; nothing contradicts it."
      ],
      "source": "NHM"
    },
    "headline": {
      "level": "high",
      "basis": "corroborated",
      "reasons": [
        "PBDB and NHM agree."
      ]
    },
    "evidence": {
      "level": "medium",
      "basis": "synthesis",
      "reasons": [
        "Omnisaura's calculation from 10 confirmed PBDB records."
      ]
    },
    "countries": {
      "level": "mixed",
      "basis": "items",
      "reasons": [
        "Entries differ; see each entry."
      ],
      "items": [
        {
          "value": "DE",
          "level": "low",
          "basis": "thin",
          "reasons": [
            "Only one PBDB record."
          ]
        },
        {
          "value": "FR",
          "level": "low",
          "basis": "thin",
          "reasons": [
            "Only one PBDB record."
          ]
        },
        {
          "value": "GB",
          "level": "high",
          "basis": "corroborated",
          "reasons": [
            "NHM and PBDB both record it."
          ]
        }
      ]
    },
    "formations": {
      "level": "mixed",
      "basis": "items",
      "reasons": [
        "Entries differ; see each entry."
      ],
      "items": [
        {
          "value": "Ashdown Formation",
          "level": "low",
          "basis": "thin",
          "reasons": [
            "Only one PBDB record."
          ]
        },
        {
          "value": "Bückeberg",
          "level": "low",
          "basis": "thin",
          "reasons": [
            "Only one PBDB record."
          ]
        },
        {
          "value": "Greensand Formation",
          "level": "low",
          "basis": "disputed",
          "reasons": [
            "Only NHM gives this name and it matches no PBDB formation; awaiting an editor."
          ]
        },
        {
          "value": "Tunbridge Wells Sand Formation",
          "level": "medium",
          "basis": "single_source",
          "reasons": [
            "Only PBDB records it (3 records)."
          ],
          "source": "PBDB"
        },
        {
          "value": "Wadhurst Clay Formation",
          "level": "low",
          "basis": "thin",
          "reasons": [
            "Only one PBDB record."
          ]
        },
        {
          "value": "Weald Clay Formation",
          "level": "low",
          "basis": "thin",
          "reasons": [
            "Only one PBDB record."
          ]
        },
        {
          "value": "West Melbury Marly Chalk Formation",
          "level": "low",
          "basis": "disputed",
          "reasons": [
            "Only NHM gives this name and it matches no PBDB formation; awaiting an editor."
          ]
        }
      ]
    }
  },
  "gaps": {
    "missing": [
      {
        "field": "type_species",
        "label": "Type species",
        "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": "order",
        "label": "Order",
        "source": "NHM"
      }
    ],
    "disputed": [
      {
        "field": "formations",
        "label": "Formations",
        "note": "One source names a formation the other does not.",
        "values": [
          {
            "source": "PBDB",
            "source_id": "pbdb",
            "value": null
          },
          {
            "source": "NHM",
            "source_id": "nhm",
            "value": "Greensand Formation"
          }
        ]
      },
      {
        "field": "formations",
        "label": "Formations",
        "note": "One source names a formation the other does not.",
        "values": [
          {
            "source": "PBDB",
            "source_id": "pbdb",
            "value": null
          },
          {
            "source": "NHM",
            "source_id": "nhm",
            "value": "West Melbury Marly Chalk Formation"
          }
        ]
      }
    ],
    "withheld": [
      {
        "records": "specimens",
        "status": "higher_rank_only",
        "count": 2,
        "reason": "NHM specimens identified only to a broader group, not to this genus"
      },
      {
        "records": "specimens",
        "status": "related_other_genus",
        "count": 2,
        "reason": "NHM specimens identified as a related genus"
      }
    ]
  },
  "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": "Ashdown",
      "same_as": "Ashdown Formation",
      "status": "automatic",
      "ruling": null
    },
    {
      "name": "Tunbridge Wells Sand",
      "same_as": "Tunbridge Wells Sand Formation",
      "status": "automatic",
      "ruling": null
    },
    {
      "name": "Wadhurst Clay",
      "same_as": "Wadhurst Clay Formation",
      "status": "automatic",
      "ruling": null
    },
    {
      "name": "Weald Clay",
      "same_as": "Weald Clay Formation",
      "status": "automatic",
      "ruling": null
    }
  ],
  "credits": {
    "genus": "Hylaeosaurus",
    "scope": "confirmed matches only",
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        "requires_attribution": false,
        "attribution": "Natural History Museum (London) Data Portal, Collection specimens dataset, https://doi.org/10.5519/0002965. Image licenses vary per record.",
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    "references": 107
  },
  "credits_markdown": "## Hylaeosaurus: 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, 11 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\nAges for 30 specimen(s) were derived from their stage names using the ICS International Chronostratigraphic Chart v2024/12 (International Commission on Stratigraphy), via the Paleobiology Database (CC BY 4.0).\n\n### Images (85)\n- “File:Hylaeosaurus TD.png” (Taxon image): TotalDino (Own work), via Wikimedia Commons (https://commons.wikimedia.org/wiki/File:Hylaeosaurus_TD.png). [Creative Commons Attribution-ShareAlike 4.0](https://creativecommons.org/licenses/by-sa/4.0/). Shown unmodified (share-alike licence).\n- “File:Hylaeosaurus armatus.png” (Taxon image): Sven Sachs, Jahn J. Hornung (http://www.plosone.org/article/info%3Adoi%2F10.1371%2Fjournal.pone.0060571), via Wikimedia Commons (https://commons.wikimedia.org/wiki/File:Hylaeosaurus_armatus.png). [Creative Commons Attribution 2.5](https://creativecommons.org/licenses/by/2.5/).\n- “NHM-UK_P_DF118_03_02_0481” (specimen PV OR 26034): The Trustees of the Natural History Museum, London; via NHM Data Portal (https://data.nhm.ac.uk/media/cfe60596-7c12-4d2c-9bae-72a8a5a6cdca). [Creative Commons Attribution 4.0](https://creativecommons.org/licenses/by/4.0/).\n- “NHM-UK_P_DF118_03_03_0143” (specimen PV OR 28681): The Trustees of the Natural History Museum, London; via NHM Data Portal (https://data.nhm.ac.uk/media/d49ade3c-6797-4e42-b9e1-4825ccfa9ecc). [Creative Commons Attribution 4.0](https://creativecommons.org/licenses/by/4.0/).\n- “NHM-UK_P_DF118_03_03_0185” (specimen PV OR 28936): The Trustees of the Natural History Museum, London; via NHM Data Portal (https://data.nhm.ac.uk/media/34307e39-37ac-43b2-a1c9-245d84e088dd). [Creative Commons Attribution 4.0](https://creativecommons.org/licenses/by/4.0/).\n- “NHM-UK_P_DF118_03_03_0185” (specimen PV OR 28949): The Trustees of the Natural History Museum, London; via NHM Data Portal (https://data.nhm.ac.uk/media/34307e39-37ac-43b2-a1c9-245d84e088dd). [Creative Commons Attribution 4.0](https://creativecommons.org/licenses/by/4.0/).\n- “NHM-UK_P_DF118_02_01_0431” (specimen PV OR 36487): The Trustees of the Natural History Museum, London; via NHM Data Portal (https://data.nhm.ac.uk/media/f1686835-a61e-4c84-b902-4f61f78649fc). [Creative Commons Attribution 4.0](https://creativecommons.org/licenses/by/4.0/).\n- “NHM-UK_P_DF118_02_02_0431” (specimen PV OR 36487): The Trustees of the Natural History Museum, London; via NHM Data Portal (https://data.nhm.ac.uk/media/cde560e9-79b8-427f-8352-2e17c34fcd81). [Creative Commons Attribution 4.0](https://creativecommons.org/licenses/by/4.0/).\n- “NHM-UK_P_DF118_03_04_0421” (specimen PV OR 36487): The Trustees of the Natural History Museum, London; via NHM Data Portal (https://data.nhm.ac.uk/media/4eafbaed-a483-40a3-b89f-5378358485cf). [Creative Commons Attribution 4.0](https://creativecommons.org/licenses/by/4.0/).\n- “NHM-UK_P_DF118_02_01_0431” (specimen PV OR 36488): The Trustees of the Natural History Museum, London; via NHM Data Portal (https://data.nhm.ac.uk/media/f1686835-a61e-4c84-b902-4f61f78649fc). [Creative Commons Attribution 4.0](https://creativecommons.org/licenses/by/4.0/).\n- “NHM-UK_P_DF118_02_02_0431” (specimen PV OR 36488): The Trustees of the Natural History Museum, London; via NHM Data Portal (https://data.nhm.ac.uk/media/cde560e9-79b8-427f-8352-2e17c34fcd81). [Creative Commons Attribution 4.0](https://creativecommons.org/licenses/by/4.0/).\n- “NHM-UK_P_DF118_03_04_0421” (specimen PV OR 36488): The Trustees of the Natural History Museum, London; via NHM Data Portal (https://data.nhm.ac.uk/media/4eafbaed-a483-40a3-b89f-5378358485cf). [Creative Commons Attribution 4.0](https://creativecommons.org/licenses/by/4.0/).\n- “NHM-UK_P_DF118_02_01_0431” (specimen PV OR 36489): The Trustees of the Natural History Museum, London; via NHM Data Portal (https://data.nhm.ac.uk/media/f1686835-a61e-4c84-b902-4f61f78649fc). [Creative Commons Attribution 4.0](https://creativecommons.org/licenses/by/4.0/).\n- “NHM-UK_P_DF118_02_02_0431” (specimen PV OR 36489): The Trustees of the Natural History Museum, London; via NHM Data Portal (https://data.nhm.ac.uk/media/cde560e9-79b8-427f-8352-2e17c34fcd81). [Creative Commons Attribution 4.0](https://creativecommons.org/licenses/by/4.0/).\n- “NHM-UK_P_DF118_03_04_0421” (specimen PV OR 36489): The Trustees of the Natural History Museum, London; via NHM Data Portal (https://data.nhm.ac.uk/media/4eafbaed-a483-40a3-b89f-5378358485cf). [Creative Commons Attribution 4.0](https://creativecommons.org/licenses/by/4.0/).\n- “NHM-UK_P_DF118_02_01_0431” (specimen PV OR 36490): The Trustees of the Natural History Museum, London; via NHM Data Portal (https://data.nhm.ac.uk/media/f1686835-a61e-4c84-b902-4f61f78649fc). [Creative Commons Attribution 4.0](https://creativecommons.org/licenses/by/4.0/).\n- “NHM-UK_P_DF118_02_02_0431” (specimen PV OR 36490): The Trustees of the Natural History Museum, London; via NHM Data Portal (https://data.nhm.ac.uk/media/cde560e9-79b8-427f-8352-2e17c34fcd81). [Creative Commons Attribution 4.0](https://creativecommons.org/licenses/by/4.0/).\n- “NHM-UK_P_DF118_03_04_0421” (specimen PV OR 36490): The Trustees of the Natural History Museum, London; via NHM Data Portal (https://data.nhm.ac.uk/media/4eafbaed-a483-40a3-b89f-5378358485cf). [Creative Commons Attribution 4.0](https://creativecommons.org/licenses/by/4.0/).\n- “NHM-UK_P_DF118_02_01_0431” (specimen PV OR 36491): The Trustees of the Natural History Museum, London; via NHM Data Portal (https://data.nhm.ac.uk/media/f1686835-a61e-4c84-b902-4f61f78649fc). [Creative Commons Attribution 4.0](https://creativecommons.org/licenses/by/4.0/).\n- “NHM-UK_P_DF118_02_02_0431” (specimen PV OR 36491): The Trustees of the Natural History Museum, London; via NHM Data Portal (https://data.nhm.ac.uk/media/cde560e9-79b8-427f-8352-2e17c34fcd81). [Creative Commons Attribution 4.0](https://creativecommons.org/licenses/by/4.0/).\n- “NHM-UK_P_DF118_03_04_0421” (specimen PV OR 36491): The Trustees of the Natural History Museum, London; via NHM Data Portal (https://data.nhm.ac.uk/media/4eafbaed-a483-40a3-b89f-5378358485cf). [Creative Commons Attribution 4.0](https://creativecommons.org/licenses/by/4.0/).\n- “NHM-UK_P_DF118_02_01_0431” (specimen PV OR 36492): The Trustees of the Natural History Museum, London; via NHM Data Portal (https://data.nhm.ac.uk/media/f1686835-a61e-4c84-b902-4f61f78649fc). [Creative Commons Attribution 4.0](https://creativecommons.org/licenses/by/4.0/).\n- “NHM-UK_P_DF118_02_02_0431” (specimen PV OR 36492): The Trustees of the Natural History Museum, London; via NHM Data Portal (https://data.nhm.ac.uk/media/cde560e9-79b8-427f-8352-2e17c34fcd81). [Creative Commons Attribution 4.0](https://creativecommons.org/licenses/by/4.0/).\n- “NHM-UK_P_DF118_03_04_0421” (specimen PV OR 36492): The Trustees of the Natural History Museum, London; via NHM Data Portal (https://data.nhm.ac.uk/media/4eafbaed-a483-40a3-b89f-5378358485cf). [Creative Commons Attribution 4.0](https://creativecommons.org/licenses/by/4.0/).\n- “NHM-UK_P_DF118_02_01_0431” (specimen PV OR 36493): The Trustees of the Natural History Museum, London; via NHM Data Portal (https://data.nhm.ac.uk/media/f1686835-a61e-4c84-b902-4f61f78649fc). [Creative Commons Attribution 4.0](https://creativecommons.org/licenses/by/4.0/).\n- “NHM-UK_P_DF118_02_02_0431” (specimen PV OR 36493): The Trustees of the Natural History Museum, London; via NHM Data Portal (https://data.nhm.ac.uk/media/cde560e9-79b8-427f-8352-2e17c34fcd81). 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[Creative Commons Attribution 4.0](https://creativecommons.org/licenses/by/4.0/).\n- “010027834_L010093616” (specimen PV OR 2188): The Trustees of the Natural History Museum, London; via NHM Data Portal (https://data.nhm.ac.uk/media/040b8e87-bddd-4c3a-8fa5-6d716a74fd48). [Creative Commons Attribution 4.0](https://creativecommons.org/licenses/by/4.0/).\n- “010025250_L010093331” (specimen PV OR 2310): The Trustees of the Natural History Museum, London; via NHM Data Portal (https://data.nhm.ac.uk/media/e775f436-d616-4423-906d-9ed6000f7a27). [Creative Commons Attribution 4.0](https://creativecommons.org/licenses/by/4.0/).\n- “010026323_L010093615” (specimen PV OR 2417): The Trustees of the Natural History Museum, London; via NHM Data Portal (https://data.nhm.ac.uk/media/0ade83e6-9743-4775-aec6-781b651ca7be). [Creative Commons Attribution 4.0](https://creativecommons.org/licenses/by/4.0/).\n- “010027690_L010093617” (specimen PV OR 2484): The Trustees of the Natural History Museum, London; via NHM Data Portal (https://data.nhm.ac.uk/media/3f4b0654-f682-47a3-8330-87ed670e5c0f). [Creative Commons Attribution 4.0](https://creativecommons.org/licenses/by/4.0/).\n- “010027690_L010093617_(1)” (specimen PV OR 2484): The Trustees of the Natural History Museum, London; via NHM Data Portal (https://data.nhm.ac.uk/media/1bfe4434-a4e6-4dc7-b0c0-b296c3fd845c). [Creative Commons Attribution 4.0](https://creativecommons.org/licenses/by/4.0/).\n- “010023803_L010093616” (specimen PV OR 2511): The Trustees of the Natural History Museum, London; via NHM Data Portal (https://data.nhm.ac.uk/media/bfbb9e3e-2e15-49af-858e-9ed899e86740). [Creative Commons Attribution 4.0](https://creativecommons.org/licenses/by/4.0/).\n- “010023851_L010093616” (specimen PV OR 2583): The Trustees of the Natural History Museum, London; via NHM Data Portal (https://data.nhm.ac.uk/media/19a5ebb3-c2ea-42ea-9acf-7ab68453c062). [Creative Commons Attribution 4.0](https://creativecommons.org/licenses/by/4.0/).\n- “010029588_L010093619” (specimen PV OR 2584): The Trustees of the Natural History Museum, London; via NHM Data Portal (https://data.nhm.ac.uk/media/0a0ca402-addb-43b7-a79b-687feff98785). [Creative Commons Attribution 4.0](https://creativecommons.org/licenses/by/4.0/).\n- “010023779_L010093616” (specimen PV OR 2585): The Trustees of the Natural History Museum, London; via NHM Data Portal (https://data.nhm.ac.uk/media/a9c97ed4-7b63-482e-8759-0798b87cba1a). 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[Creative Commons Attribution 4.0](https://creativecommons.org/licenses/by/4.0/).\n- “010027858_L010093618” (specimen PV OR 28681): The Trustees of the Natural History Museum, London; via NHM Data Portal (https://data.nhm.ac.uk/media/ba622f34-34cb-4cb6-a750-cfa6854ddf50). [Creative Commons Attribution 4.0](https://creativecommons.org/licenses/by/4.0/).\n- “010027858_L010093618_(1)” (specimen PV OR 28681): The Trustees of the Natural History Museum, London; via NHM Data Portal (https://data.nhm.ac.uk/media/2b0876b5-b958-40a2-911b-f2b188bbb25f). [Creative Commons Attribution 4.0](https://creativecommons.org/licenses/by/4.0/).\n- “010027858_L010093618_(2)” (specimen PV OR 28681): The Trustees of the Natural History Museum, London; via NHM Data Portal (https://data.nhm.ac.uk/media/f32b908b-aae1-4680-9dc5-65f32cba29bf). [Creative Commons Attribution 4.0](https://creativecommons.org/licenses/by/4.0/).\n- “010033571_L010093620” (specimen PV OR 28936): The Trustees of the Natural History Museum, London; via NHM Data Portal (https://data.nhm.ac.uk/media/fee1175d-1ec9-4f86-816c-284fff216980). [Creative Commons Attribution 4.0](https://creativecommons.org/licenses/by/4.0/).\n- “010033691_L010093617” (specimen PV OR 28949): The Trustees of the Natural History Museum, London; via NHM Data Portal (https://data.nhm.ac.uk/media/7fe9b3ec-1d02-4fec-b31f-8a787617659c). [Creative Commons Attribution 4.0](https://creativecommons.org/licenses/by/4.0/).\n- “010025226_L010093331” (specimen PV OR 3326): The Trustees of the Natural History Museum, London; via NHM Data Portal (https://data.nhm.ac.uk/media/e22a1277-e259-4189-a6a5-497a5ec4a2e3). [Creative Commons Attribution 4.0](https://creativecommons.org/licenses/by/4.0/).\n- “010033667_L010093617” (specimen PV OR 36487): The Trustees of the Natural History Museum, London; via NHM Data Portal (https://data.nhm.ac.uk/media/399f02e9-5550-42a5-819e-b6316fff995f). [Creative Commons Attribution 4.0](https://creativecommons.org/licenses/by/4.0/).\n- “010033667_L010093617_(1)” (specimen PV OR 36487): The Trustees of the Natural History Museum, London; via NHM Data Portal (https://data.nhm.ac.uk/media/f1723a5f-f8e0-4c10-b70b-fca507f43108). [Creative Commons Attribution 4.0](https://creativecommons.org/licenses/by/4.0/).\n- “010025298_L010093331” (specimen PV OR 36488): The Trustees of the Natural History Museum, London; via NHM Data Portal (https://data.nhm.ac.uk/media/23f22f48-c846-4db6-83cb-7c4e55530828). [Creative Commons Attribution 4.0](https://creativecommons.org/licenses/by/4.0/).\n- “010026203_L010093615” (specimen PV OR 36489): The Trustees of the Natural History Museum, London; via NHM Data Portal (https://data.nhm.ac.uk/media/581b363c-deb4-4bd8-bbf1-909ba889f638). [Creative Commons Attribution 4.0](https://creativecommons.org/licenses/by/4.0/).\n- “010023755_L010093616” (specimen PV OR 36490): The Trustees of the Natural History Museum, London; via NHM Data Portal (https://data.nhm.ac.uk/media/e59705bd-6317-4c91-bf34-3020e68b98a4). [Creative Commons Attribution 4.0](https://creativecommons.org/licenses/by/4.0/).\n- “010023755_L010093616” (specimen PV OR 36491): The Trustees of the Natural History Museum, London; via NHM Data Portal (https://data.nhm.ac.uk/media/e59705bd-6317-4c91-bf34-3020e68b98a4). [Creative Commons Attribution 4.0](https://creativecommons.org/licenses/by/4.0/).\n- “010026083_L010093616” (specimen PV OR 36492): The Trustees of the Natural History Museum, London; via NHM Data Portal (https://data.nhm.ac.uk/media/979eebf1-db3a-403b-bd49-2caeb6b1b921). [Creative Commons Attribution 4.0](https://creativecommons.org/licenses/by/4.0/).\n- “010026059_L010093616” (specimen PV OR 36493): The Trustees of the Natural History Museum, London; via NHM Data Portal (https://data.nhm.ac.uk/media/e7a0f142-dff3-4c3a-99e8-1a64272fe5e5). [Creative Commons Attribution 4.0](https://creativecommons.org/licenses/by/4.0/).\n- “010032826_L010222388” (specimen PV OR 3775): The Trustees of the Natural History Museum, London; via NHM Data Portal (https://data.nhm.ac.uk/media/e277088e-6363-4331-83a0-b61b2e8e6882). [Creative Commons Attribution 4.0](https://creativecommons.org/licenses/by/4.0/).\n- “010032826_L010222388_(1)” (specimen PV OR 3775): The Trustees of the Natural History Museum, London; via NHM Data Portal (https://data.nhm.ac.uk/media/d2083034-d937-4f0b-8e7d-2b2d059ad75f). [Creative Commons Attribution 4.0](https://creativecommons.org/licenses/by/4.0/).\n- “010023656_L010221266” (specimen PV OR 3789): The Trustees of the Natural History Museum, London; via NHM Data Portal (https://data.nhm.ac.uk/media/42abdefb-db11-43b1-83cb-a428552348ab). [Creative Commons Attribution 4.0](https://creativecommons.org/licenses/by/4.0/).\n- “010023656_L010221266_(1)” (specimen PV OR 3789): The Trustees of the Natural History Museum, London; via NHM Data Portal (https://data.nhm.ac.uk/media/6675ae91-d749-416f-8b57-330ac3a75e78). [Creative Commons Attribution 4.0](https://creativecommons.org/licenses/by/4.0/).\n- “010023656_L010221266_(2)” (specimen PV OR 3789): The Trustees of the Natural History Museum, London; via NHM Data Portal (https://data.nhm.ac.uk/media/21c21811-d6d4-4bd7-bffd-71d86107bf8e). [Creative Commons Attribution 4.0](https://creativecommons.org/licenses/by/4.0/).\n- “010023656_L010221266_(3)” (specimen PV OR 3789): The Trustees of the Natural History Museum, London; via NHM Data Portal (https://data.nhm.ac.uk/media/2c48949f-f202-4b30-8c82-4e2f50369f49). [Creative Commons Attribution 4.0](https://creativecommons.org/licenses/by/4.0/).\n- “010023656_L010221266_(4)” (specimen PV OR 3789): The Trustees of the Natural History Museum, London; via NHM Data Portal (https://data.nhm.ac.uk/media/e2c675ac-c935-480a-9bb2-cc5fb6935179). [Creative Commons Attribution 4.0](https://creativecommons.org/licenses/by/4.0/).\n- “010023656_L010221266_(5)” (specimen PV OR 3789): The Trustees of the Natural History Museum, London; via NHM Data Portal (https://data.nhm.ac.uk/media/6e7e7e1b-c420-4bcb-9c58-d99f67629525). [Creative Commons Attribution 4.0](https://creativecommons.org/licenses/by/4.0/).\n- “010026347_L010093615” (specimen PV OR 40447): The Trustees of the Natural History Museum, London; via NHM Data Portal (https://data.nhm.ac.uk/media/bf820492-bea4-4ee6-a4d5-7fa6e3ec0fd1). [Creative Commons Attribution 4.0](https://creativecommons.org/licenses/by/4.0/).\n- “010026515_L010093615” (specimen PV OR 40448): The Trustees of the Natural History Museum, London; via NHM Data Portal (https://data.nhm.ac.uk/media/3d5af9d0-9daa-46b9-bfd4-7d10c37b85d1). [Creative Commons Attribution 4.0](https://creativecommons.org/licenses/by/4.0/).\n- “010036187_L010093635” (specimen PV OR 40458): The Trustees of the Natural History Museum, London; via NHM Data Portal (https://data.nhm.ac.uk/media/c6dfafb7-3ba9-4abe-be1f-77f0990d7791). [Creative Commons Attribution 4.0](https://creativecommons.org/licenses/by/4.0/).\n- “010024572_L010093620” (specimen PV R 1106): The Trustees of the Natural History Museum, London; via NHM Data Portal (https://data.nhm.ac.uk/media/62c2f2d4-549f-494d-ab47-271da9941bfc). [Creative Commons Attribution 4.0](https://creativecommons.org/licenses/by/4.0/).\n- “010024572_L010093620_(1)” (specimen PV R 1106): The Trustees of the Natural History Museum, London; via NHM Data Portal (https://data.nhm.ac.uk/media/1476c628-6500-43c1-ba6e-917f393aac5d). [Creative Commons Attribution 4.0](https://creativecommons.org/licenses/by/4.0/).\n- “010039380_L010093620” (specimen PV R 1107): The Trustees of the Natural History Museum, London; via NHM Data Portal (https://data.nhm.ac.uk/media/b8723e21-6a11-4f57-9bfc-232024ca40ae). [Creative Commons Attribution 4.0](https://creativecommons.org/licenses/by/4.0/).\n- “010039380_L010093620_(1)” (specimen PV R 1107): The Trustees of the Natural History Museum, London; via NHM Data Portal (https://data.nhm.ac.uk/media/7b41f75e-4cd8-4b48-a7ee-04c4fbf94348). [Creative Commons Attribution 4.0](https://creativecommons.org/licenses/by/4.0/).\n- “010025442_L010093331” (specimen PV R 2528): The Trustees of the Natural History Museum, London; via NHM Data Portal (https://data.nhm.ac.uk/media/942d73b4-cb4f-4500-aebc-969b86a90f29). [Creative Commons Attribution 4.0](https://creativecommons.org/licenses/by/4.0/).\n- “010036573_L010093363” (specimen PV R 647): The Trustees of the Natural History Museum, London; via NHM Data Portal (https://data.nhm.ac.uk/media/14c916ad-c264-41c4-805c-60ccfc32c3c9). [Creative Commons Attribution 4.0](https://creativecommons.org/licenses/by/4.0/).\n- “010026131_L010093616” (specimen PV R 695): The Trustees of the Natural History Museum, London; via NHM Data Portal (https://data.nhm.ac.uk/media/889bd8bd-b246-4f7b-a669-e258dd9d0634). [Creative Commons Attribution 4.0](https://creativecommons.org/licenses/by/4.0/).\n\n### Scientific references\n\n107 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": "body",
  "original_description": {
    "citation": "G. A. Mantell (1833). The Geology of the South-East of England: xix–415.",
    "authors": "G. A. Mantell",
    "year": 1833,
    "title": null,
    "publication": "The Geology of the South-East of England",
    "volume": null,
    "issue": null,
    "pages": "xix–415",
    "doi": "10.5962/bhl.title.106921",
    "url": "https://doi.org/10.5962/bhl.title.106921",
    "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 (Mantell 1833)."
      ]
    },
    "source": "pbdb",
    "source_name": "Paleobiology Database",
    "license_id": "CC-BY-4.0",
    "pbdb_reference_no": "23493"
  },
  "summary": "Omnisaura summary: Hylaeosaurus, Mantell 1833\n\n- Named by: Mantell 1833 (medium confidence: only PBDB gives this; nothing contradicts it).\n- Family: Nodosauridae (high confidence: PBDB and NHM agree).\n- Order: Ornithischia (medium confidence: only NHM gives this; nothing contradicts it).\n- Parent group: Nodosauridae (medium confidence: only PBDB gives this; nothing contradicts it).\n- Age, as published by the Paleobiology Database: Berriasian to Albian, 139.1–110.1 million years ago (high confidence: PBDB and NHM agree).\n- Age, Omnisaura's own calculation (not a published figure): 139.1–110.1 million years ago (medium confidence: Omnisaura's calculation from 10 confirmed PBDB records).\n- Fossils found in: United Kingdom (high: NHM and PBDB both record it); Germany (low: only one PBDB record); France (low: only one PBDB record).\n- Rock formations: Tunbridge Wells Sand Formation (medium: only PBDB records it (3 records)); Ashdown Formation (low: only one PBDB record); Bückeberg (low: only one PBDB record); Greensand Formation (low: only NHM gives this name and it matches no PBDB formation; awaiting an editor); Wadhurst Clay Formation (low: only one PBDB record); Weald Clay Formation (low: only one PBDB record); West Melbury Marly Chalk Formation (low: only NHM gives this name and it matches no PBDB formation; awaiting an editor).\n- Original description: G. A. Mantell (1833). The Geology of the South-East of England: xix–415. https://doi.org/10.5962/bhl.title.106921 (medium confidence: only PBDB gives this; its author and year match the naming authority (Mantell 1833)).\n\nNot known or disputed:\n- Formations: sources disagree (NHM says Greensand Formation). Awaiting an Omnisaura editor.\n- Formations: sources disagree (NHM says West Melbury Marly Chalk Formation). Awaiting an Omnisaura editor.\n- Type species: 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- 4 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)."
}