Fig. 3 in New taxa, records, and data for vesicomyid bivalves from Cenozoic strata of the North Pacific region

Fig. 3. The vesicomyid bivalve Isorropodon humptulipsense sp. nov., from middle to upper Eocene strata in western Washington State, USA. A. Rubber cast of the paratype, NRM Mo 204722, Humptulips Formation, CSUN loc. 1583, hinge area, RV (A1), LV (A2). B. Holotype, NRM Mo 204723, Humptulips Formation, CSUN loc. 1583, internal mold, view on LV. C. NRM Mo 204724, Humptulips Formation, LACMIP loc. 12385, articulated specimen, view on anterodorsal margin showing lunular incision. D. Paratype, NRM Mo 204733, Humptulips Formation, near East Fork Bridge site, view on anterodorsal margin and anterior adductor muscle scars. E. Paratype, NRM Mo 204744, Siltstone Unit B along Grays River, specimen with partially preserved shell. F. Paratype, NRM Mo 204743, Siltstone Unit B along Grays River, internal mold showing pallial line with slight indentation on RV. G. Internal mold, USNM 534952, Humptulips Formation, CSUN loc. 1583, view on RV with pallial line curving evenly into posterior adductor muscle scar (re-illustrated from Amano and Kiel 2007).