Neocallichirus pinheiroi, Hernáez & Windsor & Paula & Santana, 2021

Hernáez, Patricio, Windsor, Amanda M., Paula, Caio Augusto & Santana, William, 2021, Validation of the ghost shrimp species Neocallichirus pinheiroi Hernáez, Windsor Paula & Santana (Decapoda: Callianassidae) from the southwestern Atlantic, Zootaxa 4915 (2), pp. 299-300 : 299-300

Neocallichirus pinheiroi sp. nov.

Neocallichirus pinheiroi Hernáez, Windsor, Paula & Santana, 2020 : figs. 1–5 urn:lsid:zoobank.org:pub:CDB146FE-C257-4D1D-85CD-C576FC18EBBB

Type material. Holotype, male, cl: 20.7 mm, tl: 74.6 mm, MZUSP 40097 , Brazil, Bahia, Península de Maraú, Saquaira beach (14°02’38”S, 38°56’55”W), in medium-size sediment, depth about 1 m, collected by P. Hernáez (specimen in excellent condition, not dissected, with right first pereiopod detached), 6 June 2016 . Paratype, female, cl: 20.6 mm, tl: 75.4 mm, MZUSP 40098 , same collection data (specimen in excellent condition, not dissected, with left first pereiopod detached) . Additional paratypes, 5 males, cl: 7.0– 11.8 mm, 6 females, cl: 11.2–16.4 mm, MZUSP 39018 , same collection data .

Diagnosis. Carapace frontal margin with rounded lateral projections not exceeding rostrum distal margin, each with short marginal setae, rostrum broadly rounded, obtuse. Third maxilliped with propodus subquadrate, expanded ventrally; merus subtriangular, internal surface with median row of sclerotized setae; basis subtriangular, internal surface with three spines. Major cheliped with dactylus distinctly longer than fixed finger; dacylus cutting edge with large subtriangular tooth proximally and row of small rounded teeth distally, triangular small tooth near base directed obliquely; cutting edge of fixed finger smooth. Minor cheliped with cutting edge of dactylus microscopically pectinate. First pleopod with distal segment shorter than proximal, bilobed and hooked, with one rounded and one acute tip. Endopod of second pleopod with appendix masculina demarcated by weak transverse suture, appendix interna digitiform. Posterior margin of telson exceeding the posterior margin of the uropodal endopod.

Etymology. The specific epithet is given in honour of our colleague and friend, Marcelo A. A. Pinheiro, in recognition of his many important contributions to conservation and bio-awareness of Decapoda of Brazil.