Fig. 6 in New species of Eugerres from the Usumacinta Province, México and Guatemala with a redescription of E. mexicanus (Steindachner, 1863) (Teleostei: Gerreidae)

Fig. 6. Premaxillary bone, dorsal view, in (a) Eugerres castroaguirrei ECOSC 5511-1, and (b) E. mexicanus UABC 2666. ap = ascending process, arp = articular process, cp = caudal process, sp = symphysial process. Pharyngeal plates in (c) E. castroaguirrei and (d) E. mexicanus: dorsal view (d.v.) and lateral view (l.v.). pt = pharyngeal dentition.