Anamixis cavatura ( Thomas, 1997 )

White, Kristine N., 2011, A taxonomic review of the Leucothoidae (Crustacea: Amphipoda) 3078, Zootaxa 3078 (1), pp. 1-113 : 16-17

Anamixis cavatura ( Thomas, 1997)

Anamixis hanseni Pearse, 1912: 370 . — Thomas, 1979: 107–109. — Thomas & Taylor, 1981: 462–467, figs 1–5. — Thomas & Barnard, 1983: 154–157 (not Stebbing 1897).

Leucothoides pottsi Shoemaker, 1933a: 249–251 , fig. 3. — Ledoyer 1967a: 127, fig. 5b. — Ruffo, 1969: 12, 13. — Sivaprakasam, 1967 ( 1969): 373, figs 1E–G. — Ledoyer, 1978b: 375. — Ledoyer, 1978a: 300, 301. — Ledoyer, 1979a: 169. — Ledoyer, 1979b: 111, fig. 68(II). — Thomas, 1979: 107–109. —J.L. Barnard, 1979: 130.

Anamixis pottsi . — Ortiz & Lemaitre, 1994: 124.

Anamixis cavatura Thomas, 1997: 47–50 , figs 3, 4. — White, 2011: 25 , fig.1.

Type locality and specimens. Carrie Bow Cay , Belize. Holotype, anamorph male, 2.39 mm, USNM 253729 ; paratypes, anamorph male, 4.60 mm, USNM 253730 , leucomorph male, 4.41 mm, USNM 253732 , leucomorph female, 3.28 mm, USNM 253733 .

Material examined. 5 anamorph males ( JDT Bel 06–3B). Diagnosis based on description by Thomas (1997).

Diagnosis. Distal triangular locking process on gnathopod 2 basis; 3–5 prominent cusps on propodus; tuberculate dactylus.

Leucomorph (juvenile/sexually dimorphic characters). Male or female. Head anterior margin truncate, anterodistal margin quadrate. Ventral cephalic keel anterior margin transverse. Gnathopod 1 carpus length 12.5 x width, proximal margin dentate, with multiple setae/spines and terminal serrate blades; dactylus very short. Gnathopod 2 carpus 0.5 x propodus length, straight, distally truncate; propodus palm sub-rectangular; dactylus reaching 0.5–0.7 x propodus length. Uropods 1–3 relative lengths 1.0: 0.7: 0.9.

Habitat. Among coral rubble; 1–5 m.

Host. Small asconoid sponges and colonial ascidians, especially Ecteinascidia turbinata Herdman, 1880 .

Distribution. Western Atlantic Ocean: Ft. Pierce to the Florida Keys, Florida ( Shoemaker 1933; Thomas 1979; Thomas & Taylor 1981). Gulf of Mexico: Mississippi Delta to Tampa, FL ( Pearse 1912). Caribbean Sea: Yucatan, Belize, Honduras, Jamaica, The Bahamas, Greater and Lesser Antilles, Panama ( Thomas & Barnard 1983; Ortiz & Lemaitre 1994; White 2011).