Sea spiders (Arthropoda: Pycnogonida) collected during the Madibenthos Expedition from Martinique shallow waters Author Sabroux, Romain F48B4ABE-06BD-41B1-B856-A12BE97F9653 Institut de Systématique, Évolution, Biodiversité (ISYEB), Muséum national d’Histoire naturelle CNRS, Sorbonne Université, EPHE, UA. 57 rue Cuvier, CP 51, 75005 Paris, France. pycnogonides@gmail.com Author Hassanin, Alexandre 6CAA213C-384A-4111-8F70-1E8E07D3347D Institut de Systématique, Évolution, Biodiversité (ISYEB), Muséum national d’Histoire naturelle CNRS, Sorbonne Université, EPHE, UA. 57 rue Cuvier, CP 51, 75005 Paris, France. alexandre.hassanin@mnhn.fr Author Corbari, Laure 9E5EBA7B-C2F2-4F30-9FD5-1A0E49924F13 Institut de Systématique, Évolution, Biodiversité (ISYEB), Muséum national d’Histoire naturelle CNRS, Sorbonne Université, EPHE, UA. 57 rue Cuvier, CP 51, 75005 Paris, France. corbari@mnhn.fr text European Journal of Taxonomy 2022 2022-12-12 851 1 1 141 http://dx.doi.org/10.5852/ejt.2022.851.1999 journal article 221137 10.5852/ejt.2022.851.1999 c70e23de-1f95-46fb-899b-9754b6145d52 2118-9773 7428095 7317EA8C-7C05-4E24-A38C-30F860013694 Ascorhynchus castellioides Stock, 1957 Ascorhynchus castellioides Stock, 1957: 82–84 , fig. 2. Ascorhynchus castellioides – Bayer et al. 1970 : A48, A117. — Stock 1975a: 968 ; 1986 : tab. 1. — Birkeland et al. 1976: 133 . — Child 1979: 15 . — Müller 1992a: 45 . — Arango & Wheeler 2007 : appendix 1, tab. 3, figs 1–4 (phylogeny), fig. 8 (phylogeny). — Müller & Krapp 2009: 10 , 55 (key), 57–58, 130–131, 137 (list), tabs 1, 3, fig. 28. — Arabi et al. 2010 : tab. 2, figs 1–3 (phylogeny). — Krapp & Viquez 2011: 205 , tab. 1. — Sabroux et al. 2017 : appendices 1–2, figs 3–5 (phylogeny); 2019b: tab. 1, figs 3, 5. — Wagner et al. 2017: 122 (list), 123–125, 128–130, 132–133, figs 2c, 3c, 5c, 6c. — Lucena et al. 2019: 2 , 3 (list), 12–14, 20–21, fig. 7. Type material Holotype : ZMH-A0000719 (not examined). Type locality: Puerto Cabello, Venezuela . Material examined MARTINIQUE • 1 ♂ ov.; Baie de Fort-de-France ; 14°36.1ʹ N , 61°04ʹ W ; depth 0–1 m ; 29 Sep. 2016 ; st. AM034; MNHN-IU-2016-853/ MK411166 • 1 ♀ gr.; same collection data as for preceding; MNHN- IU-2016-882 • 1 ♀ gr.; same collection data as for preceding; MNHN-IU-2016-883/ MK411192 • 5 spec. ; same collection data as for preceding; MNHN-IU-2016-574 • 4 ♂♂ , 2 ♂♂ ov., 2 ♀♀ , 1 ♀ gr., 1 juv. ; same collection data as for preceding; MNHN-IU-2016-1084 • 1 juv. ; Presqu’Île de la Caravelle ; 14°48.4ʹ N , 60°52.8ʹ W ; depth 23–25 m ; 20 Sep. 2016 ; st. AB197; MNHN-IU-2016-573 • 1 ♀ ; same collection data as for preceding; MNHN-IU-2016-576 • 1 ♂ ; Le Prêcheur ; 14°47.2ʹ N , 61°13.1ʹ W ; depth 2 m ; 3 Oct. 2016 ; st. AB382; MNHN-IU-2016-583 . Remarks Widely distributed in the Tropical West Atlantic, the species is here recorded for the first time in Martinique . Most of the specimens were collected at two stations, one off the Presqu’Île de la Caravalle (Atlantic coast) and the other at Baie de Fort-de-France; one record from Le Prêcheur (north Caribbean coast). Distribution Tropical West Atlantic: Caribbean ( Venezuela , Panama , Florida, Columbia, Barbados , Martinique , Bonaire , Curaçao ) and Brazil ( Pernambuco and Paraíba ). Depth range 0– 30 m .