Alternative combinations: Scaphellina concinnus, Schizodus concinnus
Synonyms: Scaphellina bradyi Newell and Ciriacks 1962, Scaphellina phosphoriensis Branson 1930, Schizodus phosphoriensis Branson 1930
Sister taxon: Scaphellina praeobscurus
- 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 bradyi: MNA 62.6850, a valve (Right valve). Its type locality is Jones Crossing, East Clear Creek, which is in a Kungurian lagoonal/restricted shallow subtidal limestone in the Kaibab Formation of Arizona.
- Scaphellina phosphoriensis: Its type locality is Red Creek, Fremont County, which is in a Capitanian marine limestone in the Park City Formation of Wyoming.
Ecology: facultatively mobile infaunal suspension feeder
Average measurements (in mm): shell 47.5 x 27.8, valve length 43.7