FIGURE 13. Elasmopus marcelae n in Littoral Maeridae and Melitidae (Amphipoda: Gammaridea) from the Gulf of Tehuantepec, Mexico

FIGURE 13. Elasmopus marcelae n. sp., paratype, female, 5.7 mm, UMAR-PERA-274, from La Entrega, Oaxaca: A) habitus. Holotype, male, 5.5 mm, UMAR-PERA-274, La Entrega, Oaxaca: B) coxa 1; C) coxa 2; D) coxa 3; E) coxa 4; F) coxa 5; G) coxa 6; H) coxa 7; I) accessory flagellum; J) antenna 1; K) antenna 2; L) gnathopod 2, internal side; M) gnathopod 1, external side; N) gnathopod 1, internal side; O) gnathopod 2, external side with details of palm margin without setae; P) epimera; Q) upper lip; R) lower lip; S) right mandible; T) maxilliped.