Cephalopoda - Bisonocerida - Allotrioceratidae

Full reference: R. H. Flower. 1964. Nautiloid Shell Morphology. State Bureau of Mines and Mineral Resources New Mexico Institute of Mining and Technology, Memoir 13:1-79

Parent taxon: Allotrioceratidae according to R. E. Crick 1981

See also Flower 1964 and Sepkoski 2002

Sister taxa: Allotrioceras, Cacheoceras, Mirabiloceras

Subtaxa: Williamsoceras adnatum

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Type: Williamsoceras adnatum

Ecology: fast-moving nektonic carnivore

Distribution: there are no occurrences of Williamsoceras in the database

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Specimen images are retrieved through the ePANDDA API.