Genus Psammogammarus S. Karaman, 1955 amend

Diagnosis. Head lobe unnotched. A1 accessory flagellum ≥ 2-articulate. A2 flagellum with proximal articles not fused to conform a composite article. Mandibular palp 3-segmented, third segment much shorter than second. Maxillule [= maxilla 1] endopod [= palp] 2-segmented. Maxillipedal basal endite with up to four cuspidate robust setae. G1 smaller than G2, with propodus longer than carpus; corresponding coxal plate not pointed forwardly. G2 coxal gill modified, sausage-like, elongated, and longer than basis of gnathopod. P7 basis not broadly expanded, similar to P6. Epimeral plate 2 ventral margin lacking row of long setae. U3 dispariramous with reduced endopod; exopod 2-segmented, not broadly expanded, both segments highly elongated and about same length.

Type species. Psammogammarus coecus S. Karaman, 1955, by original designation.

Composition. 14 taxa currently recognized, plus one described herein, distributed mainly in coastal anchialine and marine shallow-water interstitial habitats of Japan, Indonesia, the Red Sea, Mediterranean, Cape Verde and Canary archipelagos, the Dutch Antilles, the Caribbean coast of Nicaragua, and Baja California (Table 1; Vonk et al. 2011, and references therein).

Remarks. Vonk et al. (2011) recently reviewed the main features of members of the so-called Eriopisa -group. The foregoing generic re-diagnosis is based on data provided by these authors, complemented with features of the new species described herein.

-80° -78° -76° -74°

Grand Abaco Bahama

26° 26° Nassau Eleuthera