Gastropoda - Bellerophontida - Bellerophontidae
Alternative combinations: Bellerophon nana, Bucania nana
Full reference: E. O. Ulrich and W. H. Scofield. 1897. The Lower Silurian Gastropoda of Minnesota. The Paleontology of Minnesota 39(2):813-1081
Belongs to Sphenosphaera according to P. J. Wagner 2011
Sister taxa: Sphenosphaera bilineatus, Sphenosphaera burginensis, Sphenosphaera capax, Sphenosphaera centervillensis, Sphenosphaera eiseni, Sphenosphaera fiscellostriata, Sphenosphaera kepinensis, Sphenosphaera laurentinus, Sphenosphaera mohri, Sphenosphaera opertus, Sphenosphaera platystoma, Sphenosphaera recurvus, Sphenosphaera rogersensis, Sphenosphaera similis, Sphenosphaera subangularis, Sphenosphaera troosti
Subtaxa: Bucania nana subpatula
Ecology: slow-moving low-level epifaunal detritivore