EPIALTINAE MacLeay, 1838

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 : 355-356

publication ID	https://doi.org/10.5252/z2016n3a5
publication LSID	urn:lsid:zoobank.org:pub:3CB67803-6D84-4628-8EF5-D8281078FA16
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treatment provided by	Felipe (2021-03-03 16:53:31, last updated by Plazi 2023-11-01 22:54:09)
scientific name	EPIALTINAE MacLeay, 1838
status

Treatment

Subfamily EPIALTINAE MacLeay, 1838 View in CoL

Acanthonyx petiverii H. Milne Edwards, 1834 View in CoL ( Fig. 2A View FIG )

Acanthonyx petiverii H. Milne Edwards, 1834 View in CoL -1840: 343 (type locality: Antilles). — Desbonne in Desbonne & Schramm 1867: 4 ( Guadeloupe). — A. Milne-Edwards 1873-1880: 143 ( Guadeloupe, Martinique). — Rathbun 1925: 142 ( St Thomas, St John, St Croix, Curaçao, Bonaire). — Monod 1939: 566 ( Guadeloupe). — Chace 1956: 159, Los Roques. — Rodríguez 1980: 278 (Margarita). — Marcano & Bolaños 2001: 74 (Cubagua). — Tagliafico et al. 2005: table 1, Margarita (Los Frailes). — Hernández-Ávila et al. 2007: 44 (Cubagua).

MATERIAL EXAMINED. — Guadeloupe. KARUBENTHOS 2012, 1♂ MNHN-IU-2013-5911 (lot JL351), st. GM07, 1 m.

DIAGNOSIS. — Hepatic lobe large; two small branchial lobes. Preorbital tooth obtuse. Male abdomen with six segments.

HABITAT. — In tide pools of rock, surf-beaten shores; algal-covered surfaces and on seaweeds (between Sargassum , Padina , Laurencia ); sandy shores; coral flats. Collected 1 m, reported 1- 29 m.

DISTRIBUTION. — Eastern Pacific and western Atlantic. Baja California, Galápagos, Mexico to Valparaiso ( Chile). Southern Florida, Bahamas to Rio de Janeiro. Lesser Antilles VI ( St Thomas, St John, St Croix), ICA (St Martin*, Guadeloupe, Martinique), IOV (Los Frailes, Margarita, Cubagua, Los Roques, Curaçao, Bonaire). *St Martin from unpublished fieldwork, UF31933, 11.IV.2012, coll. & photos A. Anker/G. Paulay.

Epialtus bituberculatus H. Milne Edwards, 1834 View in CoL ( Fig. 2B View FIG )

Epialtus bituberculatus H. Milne Edwards, 1834 View in CoL ( 1834 -1840): 345 (type locality: Chili but erroneous, see remarks). — Desbonne in Desbonne & Schramm 1867: 3 ( Guadeloupe). — A. Milne- Edwards 1873 - 1880: 139 ( St Thomas, Guadeloupe). — Rodríguez 1980: 280 (Margarita). — Marcano & Bolaños 2001: 75 (Cubagua). — Hernández-Ávila et al. 2007 (Cubagua).

MATERIAL EXAMINED. — Guadeloupe. KARUBENTHOS 2012, 1♂

MNHN-IU-2013-4180 (lot JL483), st. GB01, 6 m; 1 ♂ MNHN- IU-2013-5923 (lot JL483), 1 ♂, 1 ♀ MNHN-IU-2013-5924 (lot JL483), st. GM09, 1 m ; 1 ♂, 3 ov. ♀ MNHN-IU-2013-14654 (lot JL700-3), st. GM 14, 1 m; 1 ♂, 1 ov. ♀ MNHN-IU-2013-14666,

no station data. DIAGNOSIS. — Rostrum simple. Lateral margin with a very shal-

low sinus between the lobes. Preorbital angles obscure. Hand high. HABITAT. — Hard substrate and on epibionts; associated with aquatic vegetation. Collected 1-6 m, reported previously 0- 2 m.

DISTRIBUTION. — Western Atlantic. Florida , Puerto Rico, Panamá, Colombia, Venezuela, Brazil. Lesser Antilles VI (St Thomas), ICA ( St Martin *, Guadeloupe), IOV ( Margarita , Cubagua). * St Martin from unpublished fieldwork (14.IV.2012, UF31956, 31957, 32064; 17.IV.2012, UF32167) .

REMARK

Type-locality erroneously stated in Chile as this species is only found in the Atlantic (see Tamburus & Mantelatto 2012: 182).

Epialtus dilatatus A. Milne-Edwards, 1878 ( Fig. 2C View FIG )

Epialtus dilatatus A. Milne-Edwards, 1878 View in CoL (1873-1880): 140 (type locality: St Thomas). — Rathbun 1925: 153 ( St Thomas). — Rodríguez 1980: 281 ( St Thomas, Curaçao, Bonaire).

MATERIAL EXAMINED. — Guadeloupe. KARUBENTHOS 2012, 1♂ MNHN-IU-2013-5941, 1 ♀ MNHN-IU-2013-5940, 1 ov. ♀ MNHN-IU-2013-5942 (lot JL302), st. GM06, 1 m ; 1♀ with Sacculina 15.0 × 12.4 mm MNHN-IU-2013-6615 (lot JL688-2), st. GM 11, 1 m; 1 ov. ♀ MNHN-IU-2013-14655 (lot JL700-4), st. GM 14, 1 m.

DIAGNOSIS. — Rostrum wide slightly bilobed at tip. Carapace suboblong with large hepatic lobe. Preorbital lobe blunt; no postorbital tooth. Fourth and fifth segments of abdomen fused. Ambulatory legs subchelate.

HABITAT. — In tide pools and between coral rubble and blocks. Collected at low tide 0-1 m, reported to 22 m.

DISTRIBUTION. — Western Atlantic. North Carolina to Florida, Gulf of Mexico, Puerto Rico. Lesser Antilles VI ( St Thomas), ICA (Guadeloupe), IOV ( Curaçao, Bonaire).

REMARK

This is a first record from Guadeloupe Island.

References

CHACE F. A. 1956. - Crustaceos decapodos y estomatopodos del Archipielago de los Roques e Isla de la Orchilla, in MEN- DEZ A. (eds), El Archipielago Los Roques y La Orchilla. Sociedad de Ciencias Naturales La Salle, Caracas: 145 - 168, 9 unnumbered photographs.

MILNE- EDWARDS A. 1873 - 1880. - Etudes sur les xiphosures et les crustaces de la region mexicaine. Mission scientifique au Mexique et dans l'Amerique centrale, ouvrage publie par ordre du Ministre de l'Instruction publique. Recherches zoologiques pour servir a l'histoire de la faune de l'Amerique central et du Mexique, publiees sous la direction de M. H. Milne Edwards, membre de l'Institut. Cinquieme partie. Tome premier. Paris: imprimerie nationale: 8 unnumbered p., 1 - 368, pls 1 - 63.

MILNE- EDWARDS A. 1880. - Reports on the results of dredging, under the supervision of Alexander Agassiz, in the Gulf of Mexico, and in the Caribbean Sea, 1877, ' 78, ' 79, by the United States Coast Survey Steamer Blake, Lieut. - Commander C. D. Sigsbee, U. S. N., and Commander J. R. Bartlett, U. S. N., commanding. VIII. Etudes preliminaires sur les crustaces. Bulletin of the Museum of Comparative Zoology at Harvard College 8 (1): 1 - 68, pls 1 - 2.

MARCANO J. & BOLANOS J. 2001. - Cangrejos majidos (Decapoda: Brachyura: Majidae) de las aguas someras marinas venezolanas. Boletin del Instituto Oceanografico de Venezuela 40, 71 - 82.

MILNE EDWARDS H. 1834 - 1840. - Histoire Naturelle des Crustaces, comprenant l'anatomie, la physiologie et la classification de ces animaux. Librairie de Roret, Paris 1 - 3: (1) 1 - 468, (2) 1 - 532, (3) 1 - 638, Atlas: 1 - 32, pls I-XLII.

MONOD T. 1939. - Sur quelques crustaces de la Guadeloupe (Mission P. Allorge, 1936). Bulletin du Museum national d'Histoire Naturelle 11 (6): 557 - 568, figs 1 - 11.

RATHBUN M. J. 1925. - The spider crabs of America. Bulletin of the U. S. National Museum 129: i-xx, 1 - 613, figs 1 - 153, pls 1 - 283.

RODRIGUEZ G. 1980. - Crustaceos Decapodos de Venezuela. Instituto Venezolano de Investigaciones Cientificas, Caracas: 1 - 494, figs 1 - 119, pls 1 - 70.

TAGLIAFICO A., GASSMAN J., FAJARDO C., MARCANO Z., LIRA C. & BOLANOS J. 2005. - Decapod crustaceans inventory of La Pecha Island, archipelago Los Frailes, Venezuela. Nauplius 13 (1): 89 - 94.

TAMBURUS A. F. & MANTELATTO F. L. 2012. - Range extensions along western Atlantic for Epialtidae crabs (Brachyura, Majoidea) genera Acanthonyx Latreille, 1828 and Epialtus H. Milne Edwards, 1834. Nauplius 20 (2): 179 - 186, fig. 1.

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.