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Acanthopecten delawarensis Girty 1909 (clam)

Bivalvia - Pectinida - Limipectinidae

Alternative combination: Aviculopecten delawarensis

Full reference: G. H. Girty. 1909. The Guadalupian fauna. United States Geological Survey Professional Paper 58:1-651

Belongs to Acanthopecten according to K.W. Ciriacks 1963

Sister taxa: Acanthopecten bellosum, Acanthopecten carboniferus, Acanthopecten coloradoensis, Acanthopecten gaoanensis, Acanthopecten giganteus, Acanthopecten jaguelensis, Acanthopecten josephinae, Acanthopecten licharewi, Acanthopecten meeki, Acanthopecten onukii, Acanthopecten shenshuensis, Acanthopecten spinosus, Acanthopecten xizangensis, Acanthopecten ziphocostatus

Type specimen: Its type locality is USGS 2931 green, Guadalupe Canyon, Guadalupe Mountains, which is in a Roadian slope limestone in the Cherry Canyon Formation of Texas

Ecology: stationary epifaunal suspension feeder

Average measurements (in mm): valve length 9.45