†Expandocassinoceras arkansasense Ulrich et al. 1943 (mollusk)
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Cephalopoda - Bisonocerida - Piloceratidae
Alternative combination: Cassinoceras arkansasense
Full reference: E. O. Ulrich, A. F. Foerste, and A.K. Miller. 1943. Ozarkian and Canadian cephalopods. Part II, Brevicones. Geological Society of America Special Papers 49:1-240
Belongs to Expandocassinoceras according to D.H. Evans 2011
Sister taxon: Expandocassinoceras grande
Ecology: fast-moving nektonic carnivore
Distribution: found only at near Smithville (Ordovician of Arkansas)
Specimen images are retrieved through the ePANDDA API.
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