Ceratopea Ulrich 1911 (snail)

Gastropoda - Euomphalina - Raphistomatidae

Synonyms: Proliospira Flower 1968, Roubidouxia Butts 1926

Full reference: E. O. Ulrich. 1911. Revision of the Paleozoic systems. Geological Society of America Bulletin 22:281-680

Parent taxon: Raphistomidae according to P. Bouchet et al. 2005

See also Flower 1968, Knight et al. 1960, Morris and Cleevely 1981, Sepkoski 2002, Wagner 1999, Wagner 2017 and Yochelson and Copeland 1974

Sister taxa: Bridgeites, Omulevia, Ophiletinae, Orospira, Raphistoma, Raphistomatinae, Scalites

Subtaxa: Ceratopea buttsi Ceratopea canadensis Ceratopea compressum Ceratopea depressa Ceratopea grandis Ceratopea hami Ceratopea harpya Ceratopea inflata Ceratopea kawasakii Ceratopea keithi Ceratopea latiumbilicata Ceratopea laurentina Ceratopea lemonei Ceratopea lenticularis Ceratopea medfraensis Ceratopea miser Ceratopea numeria Ceratopea obtusa Ceratopea parvum Ceratopea pygmaea Ceratopea sculpta Ceratopea sinclairensis Ceratopea unguis Ceratopea vagrans Ceratopea wisei

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Ecology: stationary epifaunal suspension feeder

Distribution:

• Devonian of Canada (1: Northwest Territories collection)

• Ordovician of Canada (5: Alberta, British Columbia, Newfoundland), Greenland (4), the United Kingdom (4), United States (19: Alaska, Arkansas, Georgia, Missouri, Montana, Nevada, New Mexico, New York, North Dakota, Tennessee, Texas, Vermont, Virginia)

• Chazy of Canada (1: Quebec)

• Whiterockian of United States (5: Nevada)

• Cassinian of Canada (12: Newfoundland and Labrador, Ontario, Quebec), United States (39: Arkansas, Minnesota, Missouri, Vermont, Virginia)

• Arenig of United States (1: Montana)

• Arenigian of United States (1: Virginia)

• Canadian of Canada (1: Nunavut), United States (2: Maryland)

• Jefferson of United States (1: Texas)

• Jeffersonian of Canada (1: Newfoundland), United States (5: Oklahoma, Texas)

Total: 102 collections including 124 occurrences

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