Strepsodiscus major Knight 1948 (snail)

Gastropoda - Bellerophontida - Tropidodiscidae

Full reference: J. B. Knight. 1948. Further new Cambrian bellerophont gastropods. Smithsonian Miscellaneous Collections 111(3):1-6

Belongs to Strepsodiscus according to P. J. Wagner 2023

See also Knight 1948 and Knight et al. 1960

Sister taxa: Strepsodiscus austrinus, Strepsodiscus franconiensis, Strepsodiscus hoyti, Strepsodiscus minutissimus, Strepsodiscus pagoda, Strepsodiscus paucivoluta, Strepsodiscus praecursor, Strepsodiscus shinetonensis, Strepsodiscus splettstoesseri, Strepsodiscus strongi

Type specimen: Its type locality is North side of Taylor Peak, 4 miles south of Ashcraft, which is in a Franconian carbonate limestone in the Sawatch Formation of Colorado

Ecology: slow-moving low-level epifaunal detritivore


• Ordovician of United States (1: Missouri collection)

• Cambrian of United States (3: Colorado, Missouri)

Total: 4 collections each including a single occurrence

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Specimen images are retrieved through the ePANDDA API.

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