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Vnigripecten phosphaticus Girty 1910 (clam)

Bivalvia - Pectinida - Heteropectinidae

Alternative combination: Aviculopecten phosphaticus

Synonyms: Aviculopecten kolymaensis Maslennikow 1959, Aviculopecten volucer Lutkevitch and Lobanova 1960

Full reference: G. H. Girty. 1910. The fauna of the Phosphate beds of the Park City Formation. United States Geological Survey Bulletin 436:1-82

Belongs to Vnigripecten according to N. D. Newell and D.W. Boyd 1995

Sister taxon: Vnigripecten subphosphaticus

Type specimens:

  • Vnigripecten phosphaticus: USNM 1737, a valve (left valve). Its type locality is USGS 988c, Coal Canyon bed 9, which is in a Roadian offshore ramp limestone in the Phosphoria Formation of Wyoming.
  • Aviculopecten kolymaensis:
  • Aviculopecten volucer:

Ecology: stationary epifaunal suspension feeder

Average measurements (in mm): valve length 12.9