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Figure 1


Fig. 1. Lateral and ventral illustrations of the skull for Muraena retifera (A,B), Echidna nebulosa (C,D) and Anguilla rostrata (E,F). Note the well-developed hyoid bar in Anguilla, as compared to the thin hyoid in Muraena and Echidna. Abbreviations of skeletal elements follow Gregory (Gregory, 1933). Lateral view (A,C,E): D, dentary; F, frontal; HM, hyomandibular; Mx, maxilla; OP, opercle; Par, parietal; PMx-Etv, premaxillo-ethmovomerine complex; PSph, parasphenoid; Q, quadrate. Ventral view (B,D,F): BBr, basibranchial; BH, basihyal; CH, ceratohyal; D, dentary; U, urohyal.





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