{
  "schema": "omnisaura.snapshot/v3",
  "uid": "omnisaura:profile:multifissoolithus",
  "genus": "Multifissoolithus",
  "data_as_of": "2026-10-11",
  "raw_run": "2026-10-11_3",
  "profile": {
    "name": {
      "value": "Multifissoolithus",
      "rule": "PBDB leads",
      "rule_id": "merge:lead_pbdb",
      "synthesis": false,
      "sources": [
        {
          "source": "pbdb",
          "license": "CC-BY-4.0"
        }
      ]
    },
    "authority": {
      "value": "Zhang et al. 2019",
      "rule": "PBDB leads",
      "rule_id": "merge:lead_pbdb",
      "synthesis": false,
      "sources": [
        {
          "source": "pbdb",
          "license": "CC-BY-4.0"
        }
      ]
    },
    "type_species": {
      "value": "Multifissoolithus chianensis",
      "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": "Dongyangoolithidae",
      "rule": "PBDB leads",
      "rule_id": "merge:lead_pbdb",
      "synthesis": false,
      "sources": [
        {
          "source": "pbdb",
          "license": "CC-BY-4.0"
        }
      ]
    },
    "parent_name": {
      "value": "Dongyangoolithidae",
      "rule": "PBDB leads",
      "rule_id": "merge:lead_pbdb",
      "synthesis": false,
      "sources": [
        {
          "source": "pbdb",
          "license": "CC-BY-4.0"
        }
      ]
    },
    "headline": {
      "value": [
        121.4,
        83.6,
        "Aptian",
        "Santonian"
      ],
      "rule": "PBDB leads",
      "rule_id": "merge:lead_pbdb",
      "synthesis": false,
      "sources": [
        {
          "source": "pbdb",
          "license": "CC-BY-4.0"
        }
      ]
    },
    "evidence": {
      "value": [
        121.4,
        83.6
      ],
      "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": [
        "CN",
        "JP"
      ],
      "rule": "Union of all sources (ISO 3166)",
      "rule_id": "merge:union_iso3166",
      "synthesis": false,
      "sources": [
        {
          "source": "pbdb",
          "license": "CC-BY-4.0"
        }
      ]
    },
    "formations": {
      "value": [
        "Chaochuan",
        "Jiangjunding",
        "Sujigahama"
      ],
      "rule": "Canonical names, automatic and editor-approved matches applied",
      "rule_id": "merge:canonical_formations",
      "synthesis": false,
      "sources": [
        {
          "source": "pbdb",
          "license": "CC-BY-4.0"
        }
      ]
    },
    "diet": {
      "value": null,
      "rule": null,
      "rule_id": null,
      "synthesis": false,
      "sources": []
    },
    "life_habit": {
      "value": null,
      "rule": null,
      "rule_id": null,
      "synthesis": false,
      "sources": []
    },
    "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": "medium",
      "basis": "single_source",
      "reasons": [
        "Only PBDB gives this; nothing contradicts it."
      ],
      "source": "PBDB"
    },
    "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"
    },
    "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 3 confirmed PBDB records."
      ]
    },
    "countries": {
      "level": "mixed",
      "basis": "items",
      "reasons": [
        "Entries differ; see each entry."
      ],
      "items": [
        {
          "value": "CN",
          "level": "medium",
          "basis": "single_source",
          "reasons": [
            "Only PBDB records it (2 records)."
          ],
          "source": "PBDB"
        },
        {
          "value": "JP",
          "level": "low",
          "basis": "thin",
          "reasons": [
            "Only one PBDB record."
          ]
        }
      ]
    },
    "formations": {
      "level": "low",
      "basis": "items",
      "reasons": [
        "See each entry."
      ],
      "items": [
        {
          "value": "Chaochuan",
          "level": "low",
          "basis": "thin",
          "reasons": [
            "Only one PBDB record."
          ]
        },
        {
          "value": "Jiangjunding",
          "level": "low",
          "basis": "thin",
          "reasons": [
            "Only one PBDB record."
          ]
        },
        {
          "value": "Sujigahama",
          "level": "low",
          "basis": "thin",
          "reasons": [
            "Only one PBDB record."
          ]
        }
      ]
    }
  },
  "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": "name",
        "label": "Name",
        "source": "PBDB"
      },
      {
        "field": "authority",
        "label": "Authority",
        "source": "PBDB"
      },
      {
        "field": "type_species",
        "label": "Type species",
        "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": []
  },
  "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": [],
  "credits": {
    "genus": "Multifissoolithus",
    "scope": "confirmed matches only",
    "data_sources": [
      {
        "values": 551,
        "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"
      }
    ],
    "images": [],
    "derived_ages": null,
    "references": 24
  },
  "credits_markdown": "## Multifissoolithus: 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\n### Images (0)\n_No images._\n\n### Scientific references\n\n24 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": "egg",
  "identifiers": [
    {
      "scheme": "pbdb",
      "name": "Paleobiology Database",
      "id": "437790",
      "url": "https://paleobiodb.org/classic/basicTaxonInfo?taxon_no=437790"
    }
  ],
  "other_names": {
    "species": [
      "Multifissoolithus chianensis",
      "Multifissoolithus shimonosekiensis"
    ],
    "synonyms": []
  },
  "original_description": {
    "citation": "S.-K. Zhang, J.-F. Xie, X.-S. Jin, T.-M. Du, M.-Y. Huang (2019). New type of dinosaur eggs from Yiwu, Zhejiang Province, China and a revision of Dongyangoolithus nanmaensis. Vertebrata PalAsiatica 57(4): 325–333.",
    "authors": "S.-K. Zhang, J.-F. Xie, X.-S. Jin, T.-M. Du, M.-Y. Huang",
    "year": 2019,
    "title": "New type of dinosaur eggs from Yiwu, Zhejiang Province, China and a revision of Dongyangoolithus nanmaensis",
    "publication": "Vertebrata PalAsiatica",
    "volume": "57",
    "issue": "4",
    "pages": "325–333",
    "doi": "10.19615/j.cnki.1000-3118.190107",
    "url": "https://doi.org/10.19615/j.cnki.1000-3118.190107",
    "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 (Zhang et al. 2019)."
      ]
    },
    "source": "pbdb",
    "source_name": "Paleobiology Database",
    "license_id": "CC-BY-4.0",
    "pbdb_reference_no": "76924"
  },
  "summary": "Omnisaura summary: Multifissoolithus, Zhang et al. 2019\n\n- What it is: Known only from fossil eggs: the name is for the eggs themselves (an oogenus), and which dinosaur laid them is usually not known for certain.\n- Named by: Zhang et al. 2019 (medium confidence: only PBDB gives this; nothing contradicts it).\n- Family: Dongyangoolithidae (medium confidence: only PBDB gives this; nothing contradicts it).\n- Parent group: Dongyangoolithidae (medium confidence: only PBDB gives this; nothing contradicts it).\n- Type species: Multifissoolithus chianensis (medium confidence: only PBDB gives this; nothing contradicts it).\n- Age, as published by the Paleobiology Database: Aptian to Santonian, 121.4–83.6 million years ago (medium confidence: only PBDB gives this; nothing contradicts it).\n- Age, Omnisaura's own calculation (not a published figure): 121.4–83.6 million years ago (medium confidence: Omnisaura's calculation from 3 confirmed PBDB records).\n- Fossils found in: China (medium: only PBDB records it (2 records)); Japan (low: only one PBDB record).\n- Rock formations: Chaochuan (low: only one PBDB record); Jiangjunding (low: only one PBDB record); Sujigahama (low: only one PBDB record).\n- Original description: S.-K. Zhang, J.-F. Xie, X.-S. Jin, T.-M. Du, M.-Y. Huang (2019). New type of dinosaur eggs from Yiwu, Zhejiang Province, China and a revision of Dongyangoolithus nanmaensis. Vertebrata PalAsiatica 57(4): 325–333. https://doi.org/10.19615/j.cnki.1000-3118.190107 (medium confidence: only PBDB gives this; its author and year match the naming authority (Zhang et al. 2019)).\n\nNot known or disputed:\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\nNot covered by Omnisaura: size, weight, appearance, or behaviour beyond the way of life PBDB infers for the group. Do not fill these in from general knowledge as if they came from Omnisaura.\n\nCredits (must be shown with any of this): Paleobiology Database (CC-BY-4.0)."
}