Pecten hastatus navarchus Dall 1898 (spear scallop)
Bivalvia - Pectinida - Pectinoidae
Alternative combination: Pecten hericeus navarchus
Belongs to Pecten hastatus according to R. Arnold 1906
Sister taxa: Chlamys (Chlamys) hastata ellisi, Pecten (Chlamys) hastatus hindsii
Ecology: stationary epifaunal suspension feeder
Distribution:
• Quaternary of United States (1: California collection)
• Pliocene of United States (1: California)
Total: 2 collections each including a single occurrence