Bivalvia - Pectinida - Pectinoidae
Alternative combinations: Chlamys etchegoini, Chlamys parmeleei etchegoini, Pecten (Chlamys) wattsi etchegoini, Pecten (Pallium) swiftii etchegoini, Pecten (Swiftopecten) etchegoini, Pecten etchegoini
Synonym: Pecten (Chlamys) wattsi morani Arnold 1906
Full reference: F. M. Anderson. 1905. A Stratigraphic Study in the Mount Diablo Range of California. Proceedings of the California Academy of Sciences, Third Series Geology 2(2):1-148
Belongs to Swiftopecten parmeleei according to E. J. Moore 1984
See also Anderson 1905, Anderson and Martin 1914, Arnold 1906, Arnold 1909, Faustman 1964, Grant, IV and Gale 1931, Nomland 1917, Woodring and Bramlette 1950 and Woodring et al. 1940
Sister taxon: Swiftopecten parmeleei parmaleei
Ecology: stationary epifaunal suspension feeder
Distribution:
• Blancan of United States (1: California collection)
• Pliocene of United States (2: California)
Total: 3 collections each including a single occurrence