Pseudomma kryotroglodytum sp. nov., holotype adult female BL 26.8 mm (A–E, H–N) and paratype subadult female 21.5 mm (F, G). A cardiac portion of foregut, dorsal view, dorsal wall omitted B–D details of panel (A) showing modified spines E details of panel (A) showing teeth emerging from a common basis F pleonite 1, cuticle detached and expanded on slide, dorsal and lateral faces on top, ventral face folded in, setae omitted from pleopods G detail of panel (F) showing pore group on left lateral face H–L series of pleopods 1–5, rostral = lateral face M uropods, ventral N telson. Scales omitted from objects F, M, N pore diameters not to scale in F, G.