Sheina orri Harding 1966

Sheina orri Harding, 1966

Sheina orri Harding, 1966:371, figs. 8–20.—Kornicker, 1986b:639, figs. 1, 2.

HOLOTYPE.—Natural History Museum, London (BMNH), number 1965.11.9.1, adult male in alcohol.

TYPE LOCALITY.—Heron Island, Queensland, Australia, from the gills of either Taeniura lymna, a ray, or Hemiscyllium oscellatus, a shark.

MATERIAL.—USNM 112675, adult male paratype on 2 slides and in alcohol.

SUPPLEMENTAL DESCRIPTION OF ADULT MALE.—Mandible (Figure 9a): Small coxale endite with stout terminal spine and with or without 2 or 3 small additional spines near tip. Dorsal margin of basale with 1 bristle at distal of joint and with 2 terminal bristles; distal bristle of exopodite to length of proximal bristle. Dorsal margin of 2nd endopodial joint with 9 bristles on proximal .

Maxilla: Coxale with plumose dorsal bristle (Figure 9b (not all endite bristles shown)). Basale with 2 bristles near ventral margin. 1st endopodial joint with 2 alpha- and 2 beta-bristles and 2-pronged cutting tooth (Figure 9d). 2nd endopodial joint with 3 stout curved claws and 8–10 bristles (Figure 9c,e (spines of most bristles not shown)).

PHILOMEDIDAE Müller, 1906

COMPOSITION.—The Philomedidae includes two subfamilies: Philomedinae Müller, 1906, and Pseudophilomedinae Kornicker, 1967. Both are present in the vicinity of Australia.

DISTRIBUTION.—Cosmopolitan. Known depth range is intertidal to 4303 m (Kornicker, 1975, table 4).

PHILOMEDINAE Müller, 1906

Scleroconcha Skogsberg, 1920

TYPE SPECIES.—Philomedes (Scleroconcha) appelloefi Skogsberg, 1920.

COMPOSITION.—This genus has 15 species including a new species described herein. The genus has not been recorded previously from the vicinity of Australia.

DISTRIBUTION.—Cosmopolitan at shelf and slope depths. Known depth range is intertidal to 1226 m (Kornicker, 1988a: 16; 1988b:560).