†Argopecten circularis eldridgei Arnold 1906 (calico scallop)
Bivalvia - Pectinida - Pectinoidae
Alternative combinations: Pecten (Aequipecten) eldridgei, Pecten (Plagioctenium) eldridgei
Full reference: R. Arnold. 1906. Tertiary and Quaternary pectens of California. USGS Professional Paper 47:1-264
Belongs to Argopecten circularis according to E. J. Moore 1984
See also Arnold 1906 and Grant, IV and Gale 1931
Sister taxa: Argopecten circularis impostor, Argopecten circularis bramkampi, Pecten circularis venezuelanus, Pecten circularis caucanus
Type specimen: USNM 164580, a shell
Ecology: facultatively mobile epifaunal suspension feeder
Distribution: found only at McKittrick District (Miocene of California)