Fig. 10 in New taxa, records, and data for vesicomyid bivalves from Cenozoic strata of the North Pacific region

Fig. 10. The vesicomyid bivalve Pleurophopsis chinookensis (Squires and Goedert, 1991), from the upper Eocene Bear River seep deposit in western Washington State, USA. A. NRM Mo 204815, semi-articulated specimen with preserved shell material; view on LV (A1); dorsal view showing short ligament (A2). B. NRM Mo 204816, largely an internal mold, view on LV showing anterior adductor muscle scar. C. NRM Mo 204817, closely articulated specimen in dorsal view, showing true width. D. NRM Mo 204818, view on RV of internal mold showing internal posterior ridge. E. NRM Mo 204819, anterior part of RV with preserved shell, showing lack of lunular incision (E1, E2) and hinge dentition (E3). Abbreviations: aprs, anterior pedal retractor scar; sub. pit., subumbonal pit.