Fig. 7
From: Evolution of the facial musculature in basal ray-finned fishes
Cranial musculoskeletal system of Amia calva, USNM 64338; left lateral view; suborbital series and gular plate removed. a Superficial musculature. b Deeper musculature; posterior portions of maxilla and supramaxilla and dorsoposterior portions of preopercle and pars malaris of adductor mandibulae additionally removed. Abbreviations: AM, adductor mandibulae; CHD, constrictor hyoideus dorsalis; CMD, constrictor mandibularis dorsalis. Color code: Salmon, muscle; sand, bone; blue, cartilage; white, tendon or ligament (regular connective tissue); dark grey, irregular connective tissue