Bathynomus A. Milne Edwards, 1879 (Isopoda, Cirolanidae) from the Brazilian Coast, With Description of a New Species

Résumé

 In this study two species of Bathynomus are redescribed from Brazil: B. giganteus and B. miyarei. Furthermore, Bathynomus obtusus new species is described, which is characterized by having coxal plates 4-7 with setae on posterior margin, coxal plate 7 with posterior margin straight; pleotelson with posterior margin with 7 teeth; pereopod 1-7 with setae on dorsal margins of uropod basis with inner and distal margins of endopod forming and angle of 115°. Bathynomus giganteus is recorded from the Western Atlantic from Florida Strait south to northern of Rio de Janeiro, Brazil; B. miyarei from Ceará to Rio Grande do Sul; and B. obtusus sp.nov. from Bahia and Espírito Santo states.