Raphistomina Ulrich and Scofield 1897 (snail)

Gastropoda - Euomphalina - Holopeidae

Full reference: E. O. Ulrich and W. H. Scofield. 1897. The Lower Silurian Gastropoda of Minnesota. The Paleontology of Minnesota 39(2):813-1081

Parent taxon: Holopeidae according to P. J. Wagner 2017

See also Knight et al. 1960, Sepkoski 2002 and Ulrich and Scofield 1897

Sister taxa: Cyclora, Eopagodea, Holopea, Holopeinae, Pachystrophia

Subtaxa: Raphistomina agave Raphistomina aperta Raphistomina barbouri Raphistomina denticulata Raphistomina distincta Raphistomina fissurata Raphistomina hortensia Raphistomina lapicida Raphistomina lenticulare Raphistomina modesta Raphistomina pillagenensis Raphistomina rugata Raphistomina tasmanica Raphistomina undulata

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Type: Raphistoma lapicida

Ecology: stationary epifaunal suspension feeder


• Silurian of China (4 collections), United States (3: Iowa, New York)

• Ordovician of Australia (2), Canada (11: Ontario, Quebec), China (3), North Korea (1), Sweden (1), United States (25: Alaska, Illinois, Iowa, Indiana, Iowa, Kentucky, Minnesota, Montana, Tennessee, Texas, Utah, Virginia)

• Chazy of United States (1: New York)

• Whiterockian of Canada (1: Newfoundland and Labrador)

• Arenig of China (1), United States (1: North Dakota)

• Cassinian of Canada (1: Quebec), United States (1: Vermont)

• Jeffersonian of United States (1: Texas)

Total: 57 collections including 63 occurrences

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Specimen images are retrieved through the ePANDDA API.

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