Traits taxon details
original description
(of Cosmasyrinx (Tholitoma) antarctigera Stilwell, Zinsmeister & Oleinik, 2004 †) Stilwell, J.D., Zinsmeister, W.J., & Oleinik, A.E. (2004) Early Paleocene mollusks of Antarctica: systematics, paleoecology and paleobiogeographic significance. Bulletins of American Paleontology, 367, 1-89. page(s): 50 [details]
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