{
  "schema": "omnisaura.snapshot/v2",
  "uid": "omnisaura:profile:dacentrurus",
  "genus": "Dacentrurus",
  "generated_at": "2026-10-12T10:16:43Z",
  "raw_run": "2026-10-12",
  "profile": {
    "name": {
      "value": "Dacentrurus",
      "rule": "PBDB leads",
      "rule_id": "merge:lead_pbdb",
      "synthesis": false,
      "sources": [
        {
          "source": "pbdb",
          "license": "CC-BY-4.0"
        }
      ]
    },
    "authority": {
      "value": "Lucas 1902",
      "rule": "PBDB leads",
      "rule_id": "merge:lead_pbdb",
      "synthesis": false,
      "sources": [
        {
          "source": "pbdb",
          "license": "CC-BY-4.0"
        }
      ]
    },
    "type_species": {
      "value": "Dacentrurus armatus",
      "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": "Stegosauridae",
      "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": "Dacentrurinae",
      "rule": "PBDB leads",
      "rule_id": "merge:lead_pbdb",
      "synthesis": false,
      "sources": [
        {
          "source": "pbdb",
          "license": "CC-BY-4.0"
        }
      ]
    },
    "headline": {
      "value": [
        154.8,
        121.4,
        "Kimmeridgian",
        "Barremian"
      ],
      "rule": "PBDB leads",
      "rule_id": "merge:lead_pbdb",
      "synthesis": false,
      "sources": [
        {
          "source": "pbdb",
          "license": "CC-BY-4.0"
        }
      ]
    },
    "evidence": {
      "value": [
        154.8,
        137.05
      ],
      "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": [
        "ES",
        "FR",
        "GB",
        "PT"
      ],
      "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": [
        "Alcobaça",
        "Argiles d'Octeville",
        "Freixial",
        "Kimmeridge Clay Formation",
        "Lourinhã",
        "Piedrahita de Muñó",
        "Praia da Amoreira-Porto Novo",
        "Villar del Arzobispo"
      ],
      "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": "low",
      "basis": "disputed",
      "reasons": [
        "Sources disagree and an editor has not ruled yet."
      ]
    },
    "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"
    },
    "family": {
      "level": "high",
      "basis": "corroborated",
      "reasons": [
        "PBDB and NHM agree."
      ]
    },
    "headline": {
      "level": "high",
      "basis": "corroborated",
      "reasons": [
        "PBDB and NHM agree."
      ]
    },
    "evidence": {
      "level": "medium",
      "basis": "synthesis",
      "reasons": [
        "Omnisaura's calculation from 26 confirmed PBDB records.",
        "1 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": "ES",
          "level": "medium",
          "basis": "single_source",
          "reasons": [
            "Only PBDB records it (11 records)."
          ],
          "source": "PBDB"
        },
        {
          "value": "FR",
          "level": "medium",
          "basis": "single_source",
          "reasons": [
            "Only PBDB records it (3 records)."
          ],
          "source": "PBDB"
        },
        {
          "value": "GB",
          "level": "high",
          "basis": "corroborated",
          "reasons": [
            "NHM and PBDB both record it."
          ]
        },
        {
          "value": "PT",
          "level": "medium",
          "basis": "single_source",
          "reasons": [
            "Only PBDB records it (12 records)."
          ],
          "source": "PBDB"
        }
      ]
    },
    "formations": {
      "level": "mixed",
      "basis": "items",
      "reasons": [
        "Entries differ; see each entry."
      ],
      "items": [
        {
          "value": "Alcobaça",
          "level": "medium",
          "basis": "single_source",
          "reasons": [
            "Only PBDB records it (2 records)."
          ],
          "source": "PBDB"
        },
        {
          "value": "Argiles d'Octeville",
          "level": "medium",
          "basis": "single_source",
          "reasons": [
            "Only PBDB records it (2 records)."
          ],
          "source": "PBDB"
        },
        {
          "value": "Freixial",
          "level": "medium",
          "basis": "single_source",
          "reasons": [
            "Only PBDB records it (2 records)."
          ],
          "source": "PBDB"
        },
        {
          "value": "Kimmeridge Clay Formation",
          "level": "high",
          "basis": "corroborated",
          "reasons": [
            "NHM and PBDB both record it."
          ]
        },
        {
          "value": "Lourinhã",
          "level": "medium",
          "basis": "single_source",
          "reasons": [
            "Only PBDB records it (6 records)."
          ],
          "source": "PBDB"
        },
        {
          "value": "Piedrahita de Muñó",
          "level": "low",
          "basis": "thin",
          "reasons": [
            "Only one PBDB record."
          ]
        },
        {
          "value": "Praia da Amoreira-Porto Novo",
          "level": "low",
          "basis": "thin",
          "reasons": [
            "Only one PBDB record."
          ]
        },
        {
          "value": "Villar del Arzobispo",
          "level": "medium",
          "basis": "single_source",
          "reasons": [
            "Only PBDB records it (10 records)."
          ],
          "source": "PBDB"
        }
      ]
    }
  },
  "gaps": {
    "missing": [
      {
        "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": "type_species",
        "label": "Type species",
        "source": "PBDB"
      },
      {
        "field": "parent_name",
        "label": "Parent group",
        "source": "PBDB"
      }
    ],
    "disputed": [
      {
        "field": "authority",
        "label": "Authority",
        "note": "The sources give different values.",
        "values": [
          {
            "source": "PBDB",
            "source_id": "pbdb",
            "value": "Lucas 1902"
          },
          {
            "source": "Wikidata",
            "source_id": "wikidata",
            "value": "Richard Owen, 1875"
          }
        ]
      }
    ],
    "withheld": [
      {
        "records": "occurrences",
        "status": "related_other_genus",
        "count": 2,
        "reason": "occurrences with status related_other_genus"
      },
      {
        "records": "occurrences",
        "status": "tentative",
        "count": 2,
        "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": "Kimmeridge Clay",
      "same_as": "Kimmeridge Clay Formation",
      "status": "automatic",
      "ruling": null
    }
  ],
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    "scope": "confirmed matches only",
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    "images": [
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        "title": "010027139_L010093597",
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        "media_id": 3125,
        "title": "Dacentrurus armatus NHMUK PV OR46321",
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    ],
    "derived_ages": {
      "specimens": 18,
      "ics_version": "v2024/12"
    },
    "references": 146
  },
  "credits_markdown": "## Dacentrurus: 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, 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 18 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 (52)\n- “File:Dacentrurus armatus skeleton.png” (Taxon image): Jaime A. Headden (User:Qilong) (http://qilong.wordpress.com/2013/10/07/im-just-gonna-leave-these-here/#more-3279), via Wikimedia Commons (https://commons.wikimedia.org/wiki/File:Dacentrurus_armatus_skeleton.png). [Creative Commons Attribution-ShareAlike 3.0](https://creativecommons.org/licenses/by-sa/3.0/). Shown unmodified (share-alike licence).\n- “File:Dacentrurus armatus.png” (Taxon image): Connor Ashbridge (Own work), via Wikimedia Commons (https://commons.wikimedia.org/wiki/File:Dacentrurus_armatus.png). [Creative Commons Attribution-ShareAlike 4.0](https://creativecommons.org/licenses/by-sa/4.0/). Shown unmodified (share-alike licence).\n- “File:Dino - Dacentrurus armatus 2.jpg” (Taxon image): Emőke Dénes (Natural History Museum in London), via Wikimedia Commons (https://commons.wikimedia.org/wiki/File:Dino_-_Dacentrurus_armatus_2.jpg). [Creative Commons Attribution-ShareAlike 4.0](https://creativecommons.org/licenses/by-sa/4.0/). Shown unmodified (share-alike licence).\n- “NHM-UK_P_DF118_03_06_0421” (specimen PV OR 45910): The Trustees of the Natural History Museum, London; via NHM Data Portal (https://data.nhm.ac.uk/media/f17aef36-d58b-49b2-9706-a3170b208de7). [Creative Commons Attribution 4.0](https://creativecommons.org/licenses/by/4.0/).\n- “NHM-UK_P_DF118_03_06_0441” (specimen PV OR 46013): The Trustees of the Natural History Museum, London; via NHM Data Portal (https://data.nhm.ac.uk/media/2bc16a19-8065-4dfc-a78b-b3b65da6cb34). [Creative Commons Attribution 4.0](https://creativecommons.org/licenses/by/4.0/).\n- “NHM-UK_P_DF118_03_06_0441” (specimen PV OR 46013 a): The Trustees of the Natural History Museum, London; via NHM Data Portal (https://data.nhm.ac.uk/media/2bc16a19-8065-4dfc-a78b-b3b65da6cb34). [Creative Commons Attribution 4.0](https://creativecommons.org/licenses/by/4.0/).\n- “NHM-UK_P_DF118_03_06_0441” (specimen PV OR 46013 b): The Trustees of the Natural History Museum, London; via NHM Data Portal (https://data.nhm.ac.uk/media/2bc16a19-8065-4dfc-a78b-b3b65da6cb34). [Creative Commons Attribution 4.0](https://creativecommons.org/licenses/by/4.0/).\n- “NHM-UK_P_DF118_03_06_0441” (specimen PV OR 46013 c): The Trustees of the Natural History Museum, London; via NHM Data Portal (https://data.nhm.ac.uk/media/2bc16a19-8065-4dfc-a78b-b3b65da6cb34). [Creative Commons Attribution 4.0](https://creativecommons.org/licenses/by/4.0/).\n- “NHM-UK_P_DF118_03_06_0441” (specimen PV OR 46013 d): The Trustees of the Natural History Museum, London; via NHM Data Portal (https://data.nhm.ac.uk/media/2bc16a19-8065-4dfc-a78b-b3b65da6cb34). [Creative Commons Attribution 4.0](https://creativecommons.org/licenses/by/4.0/).\n- “NHM-UK_P_DF118_03_06_0441” (specimen PV OR 46013 e): The Trustees of the Natural History Museum, London; via NHM Data Portal (https://data.nhm.ac.uk/media/2bc16a19-8065-4dfc-a78b-b3b65da6cb34). [Creative Commons Attribution 4.0](https://creativecommons.org/licenses/by/4.0/).\n- “NHM-UK_P_DF118_03_06_0441” (specimen PV OR 46013 f): The Trustees of the Natural History Museum, London; via NHM Data Portal (https://data.nhm.ac.uk/media/2bc16a19-8065-4dfc-a78b-b3b65da6cb34). [Creative Commons Attribution 4.0](https://creativecommons.org/licenses/by/4.0/).\n- “NHM-UK_P_DF118_03_06_0441” (specimen PV OR 46013 g): The Trustees of the Natural History Museum, London; via NHM Data Portal (https://data.nhm.ac.uk/media/2bc16a19-8065-4dfc-a78b-b3b65da6cb34). [Creative Commons Attribution 4.0](https://creativecommons.org/licenses/by/4.0/).\n- “NHM-UK_P_DF118_03_06_0441” (specimen PV OR 46013 i): The Trustees of the Natural History Museum, London; via NHM Data Portal (https://data.nhm.ac.uk/media/2bc16a19-8065-4dfc-a78b-b3b65da6cb34). [Creative Commons Attribution 4.0](https://creativecommons.org/licenses/by/4.0/).\n- “NHM-UK_P_DF118_03_06_0441” (specimen PV OR 46013 j): The Trustees of the Natural History Museum, London; via NHM Data Portal (https://data.nhm.ac.uk/media/2bc16a19-8065-4dfc-a78b-b3b65da6cb34). [Creative Commons Attribution 4.0](https://creativecommons.org/licenses/by/4.0/).\n- “NHM-UK_P_DF118_03_06_0441” (specimen PV OR 46013 k): The Trustees of the Natural History Museum, London; via NHM Data Portal (https://data.nhm.ac.uk/media/2bc16a19-8065-4dfc-a78b-b3b65da6cb34). [Creative Commons Attribution 4.0](https://creativecommons.org/licenses/by/4.0/).\n- “NHM-UK_P_DF118_03_06_0441” (specimen PV OR 46013 p): The Trustees of the Natural History Museum, London; via NHM Data Portal (https://data.nhm.ac.uk/media/2bc16a19-8065-4dfc-a78b-b3b65da6cb34). [Creative Commons Attribution 4.0](https://creativecommons.org/licenses/by/4.0/).\n- “NHM-UK_P_DF118_03_06_0441” (specimen PV OR 46013 q): The Trustees of the Natural History Museum, London; via NHM Data Portal (https://data.nhm.ac.uk/media/2bc16a19-8065-4dfc-a78b-b3b65da6cb34). [Creative Commons Attribution 4.0](https://creativecommons.org/licenses/by/4.0/).\n- “NHM-UK_P_DF118_03_06_0441” (specimen PV OR 46013 r): The Trustees of the Natural History Museum, London; via NHM Data Portal (https://data.nhm.ac.uk/media/2bc16a19-8065-4dfc-a78b-b3b65da6cb34). [Creative Commons Attribution 4.0](https://creativecommons.org/licenses/by/4.0/).\n- “NHM-UK_P_DF118_03_06_0501” (specimen PV OR 46321): The Trustees of the Natural History Museum, London; via NHM Data Portal (https://data.nhm.ac.uk/media/71780c1d-1554-417a-836b-71307c8bea4b). [Creative Commons Attribution 4.0](https://creativecommons.org/licenses/by/4.0/).\n- “NHM-UK_P_DF118_03_23_0165” (specimen PV R 5902): The Trustees of the Natural History Museum, London; via NHM Data Portal (https://data.nhm.ac.uk/media/92447221-1b4c-49c3-830e-52f0ddf68517). [Creative Commons Attribution 4.0](https://creativecommons.org/licenses/by/4.0/).\n- “NHM-UK_P_DF118_03_24_0263” (specimen PV R 8926): The Trustees of the Natural History Museum, London; via NHM Data Portal (https://data.nhm.ac.uk/media/e3f334df-17f7-40b7-8a7d-9dd56db35279). [Creative Commons Attribution 4.0](https://creativecommons.org/licenses/by/4.0/).\n- “010032611_L010093610” (specimen PV OR 45910): The Trustees of the Natural History Museum, London; via NHM Data Portal (https://data.nhm.ac.uk/media/b52114b0-2054-468c-a43a-0ac72bd5a460). [Creative Commons Attribution 4.0](https://creativecommons.org/licenses/by/4.0/).\n- “010034348_L010096518” (specimen PV OR 46013): The Trustees of the Natural History Museum, London; via NHM Data Portal (https://data.nhm.ac.uk/media/5f02afbe-200c-46cb-a263-1a0b47434c3a). [Creative Commons Attribution 4.0](https://creativecommons.org/licenses/by/4.0/).\n- “010034348_L010096518_(2)” (specimen PV OR 46013): The Trustees of the Natural History Museum, London; via NHM Data Portal (https://data.nhm.ac.uk/media/3ca5053b-25ae-4433-8b88-6068398d1f7c). [Creative Commons Attribution 4.0](https://creativecommons.org/licenses/by/4.0/).\n- “Dacentrurus armatus NHMUK PV OR46013” (specimen PV OR 46013): The Trustees of the Natural History Museum, London; via NHM Data Portal (https://data.nhm.ac.uk/media/0f32a927-db45-4dad-9ab2-48785902560b). [Creative Commons Attribution 4.0](https://creativecommons.org/licenses/by/4.0/).\n- “Location in Fossil way: NHMUK PV OR 46013” (specimen PV OR 46013): The Trustees of the Natural History Museum, London; via NHM Data Portal (https://data.nhm.ac.uk/media/9bf67e64-28dd-44e0-a433-43c00a6dbbeb). [Creative Commons Attribution 4.0](https://creativecommons.org/licenses/by/4.0/).\n- “Owen 1875 Omosaurus monograph: caudal vertebra” (specimen PV OR 46013): The Trustees of the Natural History Museum, London; via NHM Data Portal (https://data.nhm.ac.uk/media/abe407e7-db73-4e42-b513-8a1980953fd3). [Creative Commons Attribution 4.0](https://creativecommons.org/licenses/by/4.0/).\n- “Owen 1875 Omosaurus monograph: dorsal vertebrae” (specimen PV OR 46013): The Trustees of the Natural History Museum, London; via NHM Data Portal (https://data.nhm.ac.uk/media/321f241f-51d3-4d0c-9e41-cadd4a25a624). [Creative Commons Attribution 4.0](https://creativecommons.org/licenses/by/4.0/).\n- “Owen 1875 Omosaurus monograph: pubis and ischium” (specimen PV OR 46013): The Trustees of the Natural History Museum, London; via NHM Data Portal (https://data.nhm.ac.uk/media/ba7ded02-988b-4b4f-aa60-dcc6b9617020). [Creative Commons Attribution 4.0](https://creativecommons.org/licenses/by/4.0/).\n- “Owen 1875 Omosaurus monograph: sacrum block” (specimen PV OR 46013): The Trustees of the Natural History Museum, London; via NHM Data Portal (https://data.nhm.ac.uk/media/c31d51db-4dfa-4d60-8b75-d932a3960d25). [Creative Commons Attribution 4.0](https://creativecommons.org/licenses/by/4.0/).\n- “Owen 1875 Omosaurus monograph: spike” (specimen PV OR 46013): The Trustees of the Natural History Museum, London; via NHM Data Portal (https://data.nhm.ac.uk/media/21b9df7e-99f3-4f45-9461-29c01f401c3b). [Creative Commons Attribution 4.0](https://creativecommons.org/licenses/by/4.0/).\n- “010036544_L010221244” (specimen PV OR 46013 a): The Trustees of the Natural History Museum, London; via NHM Data Portal (https://data.nhm.ac.uk/media/a4ba7c12-7a8c-4633-b124-f5054fedbb69). [Creative Commons Attribution 4.0](https://creativecommons.org/licenses/by/4.0/).\n- “010036616_L010221244” (specimen PV OR 46013 b): The Trustees of the Natural History Museum, London; via NHM Data Portal (https://data.nhm.ac.uk/media/59b68589-c6ff-4603-9799-a38859eae51a). [Creative Commons Attribution 4.0](https://creativecommons.org/licenses/by/4.0/).\n- “010036568_L010221244” (specimen PV OR 46013 c): The Trustees of the Natural History Museum, London; via NHM Data Portal (https://data.nhm.ac.uk/media/c4118f33-00b9-443a-8d47-7a094d356647). [Creative Commons Attribution 4.0](https://creativecommons.org/licenses/by/4.0/).\n- “010027211_L010093605” (specimen PV OR 46013 d): The Trustees of the Natural History Museum, London; via NHM Data Portal (https://data.nhm.ac.uk/media/e361ab66-455e-4f13-a1ce-48824053bf98). [Creative Commons Attribution 4.0](https://creativecommons.org/licenses/by/4.0/).\n- “010036592_L010221244” (specimen PV OR 46013 e): The Trustees of the Natural History Museum, London; via NHM Data Portal (https://data.nhm.ac.uk/media/7a7e0a4a-ed9c-4f00-99a7-820ad8a4b393). [Creative Commons Attribution 4.0](https://creativecommons.org/licenses/by/4.0/).\n- “010032325_L010221266” (specimen PV OR 46013 f): The Trustees of the Natural History Museum, London; via NHM Data Portal (https://data.nhm.ac.uk/media/f09bfbd3-6922-45c7-81eb-bf720aa9733d). [Creative Commons Attribution 4.0](https://creativecommons.org/licenses/by/4.0/).\n- “010028751_L010221260” (specimen PV OR 46013 g): The Trustees of the Natural History Museum, London; via NHM Data Portal (https://data.nhm.ac.uk/media/0a8780e8-fed4-41f8-a97b-fb945dc44f4d). [Creative Commons Attribution 4.0](https://creativecommons.org/licenses/by/4.0/).\n- “010028751_L010221260_(1)” (specimen PV OR 46013 g): The Trustees of the Natural History Museum, London; via NHM Data Portal (https://data.nhm.ac.uk/media/b9361aee-f145-41ee-8644-bb11fee9e5e7). [Creative Commons Attribution 4.0](https://creativecommons.org/licenses/by/4.0/).\n- “010032229_L010221266” (specimen PV OR 46013 i): The Trustees of the Natural History Museum, London; via NHM Data Portal (https://data.nhm.ac.uk/media/a4eb148b-5bec-4d28-b67b-06279264bbd9). [Creative Commons Attribution 4.0](https://creativecommons.org/licenses/by/4.0/).\n- “010023680_L010221246” (specimen PV OR 46013 j): The Trustees of the Natural History Museum, London; via NHM Data Portal (https://data.nhm.ac.uk/media/3bbb1c40-32d4-4594-b75a-3caa59e95d4f). [Creative Commons Attribution 4.0](https://creativecommons.org/licenses/by/4.0/).\n- “010036280_L010221245” (specimen PV OR 46013 k): The Trustees of the Natural History Museum, London; via NHM Data Portal (https://data.nhm.ac.uk/media/4c76fcb6-dce3-467d-8cf1-7d79ccb9c974). [Creative Commons Attribution 4.0](https://creativecommons.org/licenses/by/4.0/).\n- “010023632_L010221266” (specimen PV OR 46013 p): The Trustees of the Natural History Museum, London; via NHM Data Portal (https://data.nhm.ac.uk/media/38cc08b0-ff2c-4a03-86d0-6bb5e5faf481). [Creative Commons Attribution 4.0](https://creativecommons.org/licenses/by/4.0/).\n- “010035879_L010221247” (specimen PV OR 46013 q): The Trustees of the Natural History Museum, London; via NHM Data Portal (https://data.nhm.ac.uk/media/d2d04aa5-eb9d-4a45-82f2-59960c5c29cf). [Creative Commons Attribution 4.0](https://creativecommons.org/licenses/by/4.0/).\n- “010035879_L010221247_(1)” (specimen PV OR 46013 q): The Trustees of the Natural History Museum, London; via NHM Data Portal (https://data.nhm.ac.uk/media/586cffba-65d8-45de-a7a9-7f2fa8b66bc0). [Creative Commons Attribution 4.0](https://creativecommons.org/licenses/by/4.0/).\n- “010023704_L010221240” (specimen PV OR 46013 r): The Trustees of the Natural History Museum, London; via NHM Data Portal (https://data.nhm.ac.uk/media/1f14a876-d7b5-4086-9efe-a5205505dfbf). [Creative Commons Attribution 4.0](https://creativecommons.org/licenses/by/4.0/).\n- “010023704_L010221240_(1)” (specimen PV OR 46013 r): The Trustees of the Natural History Museum, London; via NHM Data Portal (https://data.nhm.ac.uk/media/c97fed49-93c0-4ad4-aaa2-d3d7b2d434bf). [Creative Commons Attribution 4.0](https://creativecommons.org/licenses/by/4.0/).\n- “010027139_L010093597” (specimen PV OR 46321): The Trustees of the Natural History Museum, London; via NHM Data Portal (https://data.nhm.ac.uk/media/d1e8d26b-8492-4a10-ad4b-53df0f8a3333). [Creative Commons Attribution 4.0](https://creativecommons.org/licenses/by/4.0/).\n- “Dacentrurus armatus NHMUK PV OR46321” (specimen PV OR 46321): The Trustees of the Natural History Museum, London; via NHM Data Portal (https://data.nhm.ac.uk/media/e8e3b06e-6915-44f5-b6b3-339de4d90e05). [Creative Commons Attribution 4.0](https://creativecommons.org/licenses/by/4.0/).\n- “010039424_L010221227” (specimen PV R 5902): The Trustees of the Natural History Museum, London; via NHM Data Portal (https://data.nhm.ac.uk/media/d7f43b05-eae1-4625-ac3e-1517f3dfc303). [Creative Commons Attribution 4.0](https://creativecommons.org/licenses/by/4.0/).\n- “010039424_L010221227_(1)” (specimen PV R 5902): The Trustees of the Natural History Museum, London; via NHM Data Portal (https://data.nhm.ac.uk/media/6e7aa3b8-4271-4d14-b9b8-b31805824f1a). [Creative Commons Attribution 4.0](https://creativecommons.org/licenses/by/4.0/).\n- “010032563_L010093610” (specimen PV R 8926): The Trustees of the Natural History Museum, London; via NHM Data Portal (https://data.nhm.ac.uk/media/734cbc41-d02e-4d9d-b6b7-3dbc240402e1). [Creative Commons Attribution 4.0](https://creativecommons.org/licenses/by/4.0/).\n\n### Scientific references\n\n146 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": "F. A. Lucas (1902). Paleontological notes. The generic name Omosaurus. A new generic name for Stegosaurus marshi. Science, new series 16(402): 435.",
    "authors": "F. A. Lucas",
    "year": 1902,
    "title": "Paleontological notes. The generic name Omosaurus. A new generic name for Stegosaurus marshi",
    "publication": "Science, new series",
    "volume": "16",
    "issue": "402",
    "pages": "435",
    "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 (Lucas 1902)."
      ]
    },
    "source": "pbdb",
    "source_name": "Paleobiology Database",
    "license_id": "CC-BY-4.0",
    "pbdb_reference_no": "17154"
  },
  "summary": "Omnisaura summary: Dacentrurus, Lucas 1902\n\n- Named by: Lucas 1902 (low confidence: sources disagree and an editor has not ruled yet).\n- Family: Stegosauridae (high confidence: PBDB and NHM agree).\n- Parent group: Dacentrurinae (medium confidence: only PBDB gives this; nothing contradicts it).\n- Type species: Dacentrurus armatus (medium confidence: only PBDB gives this; nothing contradicts it).\n- Age, as published by the Paleobiology Database: Kimmeridgian to Barremian, 154.8–121.4 million years ago (high confidence: PBDB and NHM agree).\n- Age, Omnisaura's own calculation (not a published figure): 154.8–137.05 million years ago (medium confidence: Omnisaura's calculation from 26 confirmed PBDB records).\n- Fossils found in: United Kingdom (high: NHM and PBDB both record it); Spain (medium: only PBDB records it (11 records)); France (medium: only PBDB records it (3 records)); Portugal (medium: only PBDB records it (12 records)).\n- Rock formations: Kimmeridge Clay Formation (high: NHM and PBDB both record it); Alcobaça (medium: only PBDB records it (2 records)); Argiles d'Octeville (medium: only PBDB records it (2 records)); Freixial (medium: only PBDB records it (2 records)); Lourinhã (medium: only PBDB records it (6 records)); Villar del Arzobispo (medium: only PBDB records it (10 records)); Piedrahita de Muñó (low: only one PBDB record); Praia da Amoreira-Porto Novo (low: only one PBDB record).\n- Original description: F. A. Lucas (1902). Paleontological notes. The generic name Omosaurus. A new generic name for Stegosaurus marshi. Science, new series 16(402): 435. (medium confidence: only PBDB gives this; its author and year match the naming authority (Lucas 1902)).\n\nNot known or disputed:\n- Authority: sources disagree (PBDB says Lucas 1902; Wikidata says Richard Owen, 1875). Awaiting an Omnisaura editor.\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- 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)."
}