Bivalvia - Trigoniida - Scaphellinidae

Alternative combinations: Scaphellina concinnus, Schizodus concinnus

Synonyms: Scaphellina phosphoriensis Branson 1930, Schizodus phosphoriensis Branson 1930

Belongs to Scaphellina according to N. D. Newell and D.W. Boyd 1975

Sister taxon: Scaphellina praeobscurus

Type specimens:

• Scaphellina concinna: Its type locality is Bull Lake (Grandeur Mb), Cedar Ridge, Fremont County, which is in a Kungurian carbonate limestone in the Park City Formation of Wyoming
• Scaphellina phosphoriensis: Its type locality is Red Creek, Fremont County, which is in a Capitanian marine limestone in the Park City Formation of Wyoming.

Average measurements (in mm): valve length 37.9