Orthoceras annulatum (Sowerby, 1818)
- Photographer: Racquel Kelley : Field Museum of Natural History - Geology
(c) Field Museum of Natural History - CC BY-NC 4.0
Description: IMLS Silurian Reef Digitization ProjectCatalog Number: P 5054Taxonomic Name: Orthoceras annulatum (Sowerby, 1818)FM Catalog: Fossil InvertebratesObject Kind: Hand SpecimenLot count: 1Phylum: MolluscaClass: CephalopodaOrder: OrthoceridaFamily: OrthoceratidaePeriod: SilurianEarliest Age: NiagaranCoordinates Available?: NoCountry: United States of AmericaState/Province/Territory: IllinoisCounty: CookTownship: ChicagoEMu IRN: 2290231Occurrence ID: 13426d1b-3459-4415-be5c-aa17cf27a563
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