Tetranota bidorsata Hall 1847 (snail)

Gastropoda - Bellerophontida - Plectonotidae

Alternative combination: Bucania bidorsata

Full reference: J. Hall. 1847. Containing descriptions of the organic remains of the lower division of the New York system (equivalent of the Lower Silurian rocks of Europe). Paleontology of New York 1:1-338

Belongs to Tetranota according to P. J. Wagner 2017

See also Chamberlin 1883, Grabau and Shimer 1909, Hall 1847, Knight 1941, Knight and Bridge 1944, Knight et al. 1960, Lesley 1889, Raymond 1908, Steele and Sinclair 1971, Ulrich and Scofield 1897, Wahlman 1992, Walcott 1884, Weller 1903 and Wilson 1951

Sister taxa: 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

Subtaxa: Bucania bidorsata minor

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Ecology: epifaunal detritivore

Distribution:

• Ordovician of Canada (8: Manitoba, Ontario collections), Norway (1), United States (22: Illinois, Iowa, Minnesota, Ohio, Tennessee)

• Chazy of United States (4: New York)

Total: 35 collections each including a single occurrence

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