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Scaphellina concinna Branson 1930 (clam)

Bivalvia - Trigoniida - Scaphellinidae

Alternative combinations: Scaphellina concinnus, Schizodus concinnus

Synonyms: Scaphellina bradyi Newell and Ciriacks 1962, 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 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