Fig. 8 in New taxa, records, and data for vesicomyid bivalves from Cenozoic strata of the North Pacific region

Fig. 8. The vesicomyid bivalve Squiresica plana sp. nov., from Oligocene seep deposits in the Lincoln Creek Formation in western Washington State, USA. Specimens from UWBM loc. B7452 (A–C) and LACMIP loc. 17426 (= SR4) (D–F). A. Paratype, NRM Mo 204772, exterior of LV showing fine growth increments. B. Paratype, NRM Mo 204771, exterior of LV showing shell outline and fine growth increments. C. Paratype, NRM Mo 204770, close-up on anterior part of RV showing near absence of a lunular incision. D. Holotype, NRM Mo 204704, articulated specimen with preserved shell; lateral view on RV (D1) and dorsal view, showing inflation and ligament (D2). E. Paratype, NRM Mo 204705, specimen with partially preserved shell, showing anterior adductor muscle scar and onset of pallial line. F. Paratype, NRM Mo 204706, semi-articulated specimen; F1, close-up on LV hinge area; F2, lateral view on LV.