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Fig. 2 | Frontiers in Zoology

Fig. 2

From: Evolution of the facial musculature in basal ray-finned fishes

Fig. 2

Hyopalatine arch, opercular series, and associated constrictor hyoideus dorsalis of Polypterus senegalus, USNM 229760; left medial view. Abbreviation: CHD, constrictor hyoideus dorsalis. Color code: Salmon, muscle; sand, bone; blue, cartilage; white, tendon or ligament (regular connective tissue); dark grey, irregular connective tissue

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