Tetranota Ulrich and Scofield 1897 (snail)

Gastropoda - Bellerophontida - Plectonotidae

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: Plectonotinae according to G.P. Wahlman 1992

See also Knight et al. 1960, Koken and Perner 1925, Sepkoski 2002 and Yochelson 1977

Sister taxa: Atlantophon, Boucotonotus, Plectonotus, Ptomatis, Tritonophon

Subtaxa: Tetranota bidorsata Tetranota carrickensis Tetranota charon Tetranota conspicua Tetranota craigensis Tetranota decurrens Tetranota divergens Tetranota hippopus Tetranota jugata Tetranota lineata Tetranota macra Tetranota obsoleta Tetranota rudicostata Tetranota rugosa Tetranota scanica Tetranota sexcarinata Tetranota silurica Tetranota umbilicata Tetranota undata Tetranota wisconsinensis

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Type: Bucania bidorsata

Ecology: epifaunal detritivore

Distribution:

• Chazyan of United States (5: Alabama, New York collections)

• Ordovician of Canada (18: Manitoba, Nunavut, Ontario, Quebec, Québec), Estonia (11), Norway (1), the Russian Federation (1), Sweden (3), the United Kingdom (3), United States (39: Illinois, Illinois, Iowa, Indiana, Kentucky, Minnesota, Ohio, Tennessee, Wisconsin)

Total: 81 collections including 146 occurrences

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