†Calstevenus Yancey 1973 (tusk shell)
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Scaphopoda - Gadilida - Gadilidae
Full reference: T. E. Yancey. 1973. A new genus of Permian siphonodentalid scaphopods, and its bearing on the origin of the Siphonodentaliidae. Journal of Paleontology 47(6):1062-1064
Parent taxon: Gadilidae according to P. D. Reynolds and G. Steiner 2008
See also Sepkoski 2002
Sister taxa: Gadilinae, Gadilopsis, Siphonodentaliinae
Subtaxa: Calstevenus arcturus
Type: Calstevenus arcturus
Ecology: slow-moving shallow infaunal deposit feeder
Distribution:
• Permian of United States (6: Nevada collections)
Total: 6 collections each including a single occurrence
Specimen images are retrieved through the ePANDDA API.
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