Fig. 3. Muraena lentiginosa, USNM 318298, 290 in Revisions of Anatomical Descriptions of the Pharyngeal Jaw Apparatus in Moray Eels of the Family Muraenidae (Teleostei: Anguilliformes)

Fig. 3. Muraena lentiginosa, USNM 318298, 290 mm. (A) Slightly oblique left lateral view of fourth gill arch (first three removed) and associated musculature removed from body, sphincter oesophagi (SO/DR) intact; note two branches of LI2 and their insertion points on UPT. (B, C) Dorsal views of anterior ends of fourth epibranchials (C, close up of right side) deflected laterally to show that DR does not insert on them, but instead on UPT. AD, adductor dorsalis; Cb, ceratobranchial; DP dorsal process of UPT; DR, dorsal retractor; Eb, epibranchial; LI, levator internus; LPT, lower pharyngeal toothplate; Pcl, pharyngocleithralis; SO/DR, sphincter oesophagi/dorsal retractor; UPT, upper pharyngeal toothplate. (Subpharyngealis not shown.)