Fig. 4 in Review of the family Rivulidae (Cyprinodontiformes, Aplocheiloidei) and a molecular and morphological phylogeny of the annual fish genus Austrolebias Costa 1998

Fig. 4. Ventral view of dorsal gill arches of a. Pterolebias longipinnis, b. Cynopoecilus melanotaenia, c. Austrolebias juanlangi; e = epibranchial series, ph = pharyngobranchial series, spe2 = epibranchial subdistal process, upe3 = uncinate process of epibranchial 3. Scale bar = 1 mm.