New species of Xiphoniscus and new record of Androdeloscia escalonai (Isopoda, Scutocoxifera, Oniscidea, Philosciidae) from Brazilian Amazon Author Grangeiro, Daniela C. Author Souza, Leila A. Author Christoffersen, Martin L. text Zootaxa 2017 2017-11-17 4350 2 journal volume 31412 10.11646/zootaxa.4350.2.11 3dfbfcb5-aec2-45b9-81c4-ae176b4802cc 1175-5326 1053082 555D7FA9-1552-434F-8342-3AA1CDA24CA3 Genus Xiphoniscus Vandel, 1968 Type species: Xiphoniscus mirabilis Vandel, 1968 Diagnosis (based on Leistikow 2000b ). Species small, up to 4.5 mm in length. Smooth tergal surface. Cephalothorax with linea supraantennalis; linea frontalis thin or absent; slight lateral lobes present; eyes with at most 8 ommatidia. Molar penicil of mandible with one prominent branch and up to four smaller ones. Mesal endite of first maxilla with two slender penicils; lateral endite bearing 4+4 or 5 teeth with inner set cleft. Maxilliped endite with one or two teeth caudally and knob-like “penicil” rostrally. Ornamental sensory spine of carpus of pereopod 1 with serrate double-fringe. Pereopods with inner claw of dactylus short and dactylar seta simple. Coxal plates I–VII with noduli laterales (on coxal plate IV, nodulus inserted more dorsally); coxal plates II with a spiny prolongation directed backward. Pleopods lacking respiratory areas; male pleopod 1 endopodite with apex bent laterally and with 3–4 lateral teeth directed proximally. Uropod protopodite grooved and endopodite inserting proximally relative to exopodite.