FIGURE 3 in Morphological and genetic variation in North Atlantic giant file clams, Acesta spp. (Bivalvia: Limidae), with description of a new cryptic species in the northwest Atlantic

FIGURE 3. External and internal views of the valve of six North Atlantic groups of Acesta. (A) A. excavata; ZMUC Trondheimsfjord, Norway, 09-1934, right valve. (B) A. excavata; The Azores, CMNML 042946, mirror image of left valve. (C) A. cryptadelphe sp. nov.; Bay d'Espoir, Newfoundland, CMNML 092957, right valve. (D) A. cryptadelphe sp. nov.; The Gully, northwest Atlantic Ocean, CMNML 097158, right valve. (E) A. bullisi; Gulf of Mexico, USNM 811251, mirror image of left valve. (F) A. oophaga; Gulf of Mexico, USNM 639047, mirror image of left valve. Scales = 5 cm.