Fig. 10. Uropterygius alboguttatus, USNM 338657, 340 in Revisions of Anatomical Descriptions of the Pharyngeal Jaw Apparatus in Moray Eels of the Family Muraenidae (Teleostei: Anguilliformes)

Fig. 10. Uropterygius alboguttatus, USNM 338657, 340 mm. Left lateral view of left fourth gill arch and associated musculature, removed from body. Note insertion of hypaxial retractor on Eb4. AD, adductor dorsalis; Cb, ceratobranchial; DR, dorsal retractor; Eb, epibranchial; HR, hypaxial retractor; LE levator externus; LI, levator internus; LPT, lower pharyngeal toothplate; SO/DR, sphincter oesophagi/dorsal retractor; UPT, upper pharyngeal toothplate.