FIGURE 4. Elasmopus tubar Barnard, 1979 in Littoral Maeridae and Melitidae (Amphipoda: Gammaridea) from the Gulf of Tehuantepec, Mexico

FIGURE 4. Elasmopus tubar Barnard, 1979, male, 6.6 mm, UMAR-PERA-230, Aguete, Oaxaca: A) palp; B) mandible; C) maxilliped; D) pereopod 1; E) pereopod 2; F) pereopod 3; G) pereopod 4; H) pereopod 5; I) upper lip; J) maxilla 1; K) maxilla 2. Female, 3.9 mm, UMAR-PERA- 230, Aguete, Oaxaca: L) lower lip; M) coxa 1; N) coxa 2; O) coxa 3; P) coxa 4; Q) coxa 5; R) coxa 6; S) coxa 7; T) telson; U) uropod 3; V) gnathopod 1, external side; W) gnathopod 1, internal side; X) epimera; Y) gnathopod 2, external side; Z) gnathopod 2, internal side.