Decapod crustaceans from the state of Ceará, northeastern Brazil: an updated checklist of marine and estuarine species, with 23 new records Author Pachelle, Paulo P. G. Author Anker, Arthur Author Mendes, Cecili B. Author Bezerra, Luis E. A. text Zootaxa 2016 4131 1 1 63 journal article 38707 10.11646/zootaxa.4131.1.1 a745ef66-a828-4b3c-ab2c-124f7f7a68e0 1175-5326 400297 48CA9FCC-8044-448D-8CA5-5CD5B403D884 Typton carneus Holthuis, 1951 ( Figure 16 ) Typton carneus Holthuis 1951 : 162 [in part], pl. 51, figs. a, e, k, l. FIGURE 15. Ogyrides hayi Williams, 1981 : male from Icapuí, Ceará, Brazil (MZUSP 32614); A, right third pereiopod, lateral view; B, right fourth pereiopod, lateral view; C, right fifth pereiopod, lateral view; D, right first pleopod, ventral view; E, right second pleopod, ventral view; F, same, appendices interna and masculina, dorsal view; G, right third pleopod, ventral view. Material examined . Brazil , Ceará: 1 female , MZUSP 28192, Cascavel, Praia da Caponga, rocky intertidal, in sponge Tedania ignis (Duchassaing & Michelotti) , coll. P. Pachelle & C. Licarião, 04.vi.2011 [fcn PP 11-005]; 2 females , LIMCE-UFC 689, same collection data [fcn PP 11-004]. Comparative material . Typton distinctus Chace, 1972 . Brazil , Rio de Janeiro: 1 female , MZUSP 31506, Arraial do Cabo, Praia do Forno, “Transect 1”, no further data. Distribution . Western Atlantic: USA (western Florida), Bahamas , Cuba (Los Arroyos), Mexico ( Bahía de la Ascensión ), Haiti ( Tortuga ), Barbuda , Tobago and Brazil (Fernando de Noronha, Ceará, Paraíba, Pernambuco) ( Vieira et al. 2012 ; present study). FIGURE 16. Typton carneus Holthuis, 1951 : female from Cascavel, Ceará, Brazil (MZUSP 28192); A, frontal region, lateral view; B, right ( major ) second cheliped, lateral view; C, same, fingers, mesial view; D, same, dorsal view; E, left (minor) second cheliped, lateral view; F, same, fingers, mesial view. Remarks . Typton carneus appears to be most closely related to another western Atlantic species, T. distinctus Chace, 1972 ( Figure 17 ). The latter species is known from two other Brazilian states, Pernambuco and Rio de Janeiro ( Pachelle et al. 2015 ), but has not yet been found in Ceará. The distinguishing characters between the two species involve the shape of the rostrum and second pereiopod carpus, as well as the orientation of the major cheliped dactylus ( Chace 1972 ; Pachelle et al. 2015 ). These differences, discussed in Pachelle et al. (2015) , are illustrated in Fig. 16 ( T. carneus ) and Fig. 17 ( T. distinctus ) to enable an easier identification of the Brazilian material.