Tyche emarginata White, 1847

Carmona-Suárez, Carlos & Poupin, Joseph, 2016, Majoidea crabs from Guadeloupe Island, with a documented list of species for the Lesser Antilles (Crustacea, Decapoda, Brachyura, Majoidea), Zoosystema 38 (3), pp. 353-387 : 361

Tyche emarginata White, 1847

( Fig. 2K )

Tyche emarginata White, 1847: 206 (type locality: ‘West Indies’). — A. Milne-Edwards 1873-1880: 126 ( Guadeloupe).— Rathbun 1925: 508 ( St Thomas, Guadeloupe). — Hernández-Ávila et al. 2007: 44 (Cubagua).

Platyrinchus trituberculatus Desbonne , in Desbonne & Schramm, 1867: 3 ( Guadeloupe).

MATERIAL EXAMINED. — Guadeloupe. KARUBENTHOS 2012, 1♂ MNHN-IU-2013-4614 (lot JL1513), 1♀ MNHN-IU-2013-4763 (lot JL1497), st. GS 39, 16 m.

DIAGNOSIS. — Preorbital horns strongly divergent and similar to those of the rostrum. Posterior margin medially notched. Posterior portion of carapace longer than wide.

HABITAT. — On rubble, shell bottoms, aquatic vegetation. Collected 16 m, reported 2- 37 m.

DISTRIBUTION. — Western Atlantic. North Carolina, Bahamas, Tortugas, Turks, eastern Gulf of Mexico, Colombia, Brazil. Lesser Antilles VI ( St Thomas), ICA (Guadeloupe), IOV (Cubagua).

Figures

FIG. 2. — Epialtinae MacLeay, 1838: A, Acanthonyx petiverii H. Milne Edwards, 1834, 1 ♂ MNHN-IU-2013-5911, st. GM07, 1 m; B, Epialtus bituberculatus H. Milne Edwards, 1834, 1♂ MNHN-IU-2013-5924, st. GM09, 1 m; C, Epialtus dilatatus A. Milne-Edwards,1878, 1 ♀ with Sacculina 15.0 × 12.4 mm MNHN-IU-2013-6615, st. GM11, 1 m; D, Epialtus longirostris Stimpson, 1860, 1 sp. MNHN-IU-2013-5967, st. GR12, 21 m; E, Epialtus portoricensis Rathbun, 1923, 1♀ MNHN-IU-2013-4207, st.GR14, 27 m. Pisinae Dana, 1851:F, Chorinus heros (Herbst,1790),1 ♂ MNHN-IU-2013-6783, st.GM22,1 m; G, Microlissa bicarinata (Aurivillius,1889),1 ♂, MNHN- IU-2013-4446 (lot JL1425-5),st.GB32,4 m;H, Microlissa brasiliensis (Rathbun,1924),1♀ MNHN-IU-2013-13093, st. GD69,60 m;I, Pelia mutica (Gibbes,1850),1♀ ov. MNHN-IU-2013-5663, st.GB36, 16 m; J, Pelia rotunda A.Milne-Edwards,1875,1 ♂ MNHN-IU-2013-4876, st. GR11,13 m. Tychinae Dana, 1851:K, Tyche emarginata White,1847, 1♂ MNHN-IU-2013-4614, st. GS39, 16 m. Inachidae MacLeay,1838.L, Coryrhynchus algicola Stebbing,1914, 1♂ MNHN-IU-2013-4066, st. GR27,8 m; M, Coryrhynchus riisei (Stimpson,1860),1♀ juv.MNHN-IU-2013-5917, st.GR29,20 m;N, Coryrhynchus sidneyi (Rathbun,1924) 1♂ MNHN-IU-2013-5968, st.GR12,21 m.