Thersandrus compressus (Desbonne in Desbonne & Schramm, 1867) (Fig. 8M) Sisyphus compressus Desbonne, in Desbonne & Schramm, 1867: 20 (type locality: Guadeloupe). — A. Milne-Edwards 1873-1880: 124 (Guadeloupe). Thersandrus compressus – Rathbun 1925: 343 (Guadeloupe). MATERIAL EXAMINED. — Guadeloupe. KARUBENTHOS 2012, 1♀ juv. MNHN-IU-2013-5915 (lot JL522), st. GR 14, 27 m. DIAGNOSIS. — Carapace depressed. Rostral horns small. Antennae and ambulatory legs fringed with long hair. HABITAT. — A crab mimetic on algae (Avrainvillea sp.). Collected 27 m, reported previously 3-6 m (2-3 fathoms). DISTRIBUTION (Rathbun, 1925). — Western Atlantic. Cuba. Lesser Antilles ICA (St Martin*, Guadeloupe, Martinique **).*St Martin from unpublished fieldwork (UF32558, 26.IV.2012 coll. & photo A. Anker/G. Paulay). ** Martinique from unpublished fieldwork (coll. R. Ferry, Y. Buske, det. J. Poupin XI.2015, BIOSPHERE (n°17) specimen at University of Fort de France). REMARK This crab is remarkably flat.

Published as part of 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), pp. 353-387 in Zoosystema 38 (3) on page 378, DOI: 10.5252/z2016n3a5, http://zenodo.org/record/4578244