Discias atlanticus

Discias atlanticus Gurney, 1939

Discias atlanticus Gurney, 1939:388, figs. 1–13.—Monod, 1939:557.—Gurney and Lebour, 1941:95, figs. 2t–z,a′, 3a–z.—Lebour, 1949:1107–1110.—Holthuis, 1951:35, fig. 4; 1981:791–792.—Williamson, 1970:4, 44–45, figs. 1–2.—Bruce, 1970:315; 1975:301, figs. 1–3; 1976:119, 129.—Chace, 1972:16–17.—Forest, 1977:872–876, fig. 3.—Gore and Wilson, 1978:109, fig. 1.—Wilson and Gore, 1979–311, 315.


MATERIAL EXAMINED.—USNM 77877, syntype, 1 , CL 2.6 mm, The Reach, Bermuda, Jul 1938, “shallow water.” USNM 190704, 1 ovigerous , CL 3.3 mm, off Savannah, Georgia, 31°51′30″N, 79°30′00″W, 66 m. SIFP 89–3368, 1 , CL 2.2 mm, 1 , 2.3 mm, off Fort Pierce, Florida, 27°33.5′N, 80°03′W, 33 m, 21 Sep 1977. SIFP 89–3802, 1 , French Reef, Florida Keys. Hourglass sta L, EJ-66–371, 2 , CL 2.0 and 2.5 mm, Gulf of Mexico, 26°24′N, 83°22′W, 55 m, Sep 1966. Hourglass sta D(2), EJ-67-184, 1 , CL 2.1 mm, Gulf of Mexico, 27°37′N, 83°58′W, 55 m, May 1967. AM-P21940, 1 ovigerous , CL 3.0 mm, Yonge Reef, off Lizard Island, Great Barrier Reef, Queensland, Australia, 10–15 m, 8 Nov 1975.

DIAGNOSIS.—Rostrum longer than basal width, anteriorly rounded, dorsally with faint medial rounded ridge, margins entire. Abdominal segment 2 lacking middorsal spine on posterior margin. Telson with 3 pairs of spines on posterior margin. Antennal scale with distolateral tooth. Mandibular incisor process distally truncate-toothed. Dactyli of pereopods 3–5 with dentate ungui. Outer uropodal ramus with lateral margin entire.

Discias atlanticus Gurney

Discias atlanticus Gumey, 1939a: 388, figs. 1–13.—Holthuis 1951a:35, fig. 4.

TYPE-LOCALITY.—The Reach, Bermuda Islands.

DISTRIBUTION.—Bermudas, Guadeloupe, Cape Verde Islands, and off Gabon; to a depth of 50 meters.

Shallow-waters (0-100 m)