Alternative combinations: Scaphellina concinnus, Schizodus concinnus
Synonyms: 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 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