Ceratopea unguis Yochelson and Bridge 1957 (snail)

Gastropoda - Euomphalina - Raphistomatidae

Invalid subtaxa: Eotomaria depressa Cullison 1944 [replaced name], Pararaphistoma depressa Cullison 1944 [replaced name]

Full reference: E. L. Yochelson and J. Bridge. 1957. The Lower Ordovician gastropod Ceratopea. United States Geological Survey Professional Paper 294(H):281-304

Belongs to Ceratopea according to P. J. Wagner 2017

See also Cullison 1944, Desbiens et al. 1996, Fix 1975, Flower 1968, Rohr et al. 2004, Rohr et al. 1995, Yochelson and Bridge 1957, Yochelson and Copeland 1974 and Yochelson and Wise 1972

Sister taxa: 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 vagrans, Ceratopea wisei

Ecology: stationary epifaunal suspension feeder


• Ordovician of Canada (1: Newfoundland collection), Greenland (4), United States (1: Arkansas)

• Cassinian of United States (22: Arkansas, Missouri)

• Jeffersonian of United States (1: Texas)

Total: 29 collections each including a single occurrence

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Specimen images are retrieved through the ePANDDA API.

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