Fig. 5 in Mollusks and a crustacean from early Oligocene methane-seep deposits in the Talara Basin, northern Peru

Fig. 5. The lucinid Lucinoma zapotalensis (Olsson, 1931) from early Oligocene seep deposit at Cerro La Salina (block 1, C; block 9, A) and Cerros El Pelado (block 2, B), Talara Basin, northern Peru. A. Internal mold of large left valve (NRM Mo187011), left valve showing anterior adductor muscle scar (arrow). B. NRM Mo187012, external sculpture on right valve. C. Articulated specimen (NRM Mo187013), showing external sculpture on left valve (C1) and lunule and ligament in dorsal view (C2).