A new caprellid species (Crustacea: Amphipoda: Senticaudata) from Brazil Author Ros, Macarena Author Lacerda, Mariana B. Author Guerra-García, José M. text Zootaxa 2017 4258 4 388 400 journal article 33127 10.11646/zootaxa.4258.4.6 9a3a333c-0a76-42f0-a764-aacec714effd 1175-5326 570124 48DC505F-A448-4A6C-BCE7-0C0015B93326 Genus Pseudaeginella Mayer, 1890 Diagnosis. Head and pereonite 1 partially fused (suture clear). Flagellum of antenna 1 more than 2-articulate. Flagellum of antenna 2 two-articulate, swimming setae absent. Mandibular palp 3-articulate, molar very small or absent, setal formula 1-x- 1. Inner plate of maxilliped smaller than outer plate. Gills present on pereonites 3 and 4. Pereonites 6 and 7 separated (not fused). Pereopods 3 and 4 one-articulate, vestigial. Pereopods 5–7 six-articulate. Abdomen without appendages. Type species. Aeginella tristanensis Stebbing, 1888