Sicafodiidae, Just, 2004

Just, Jean, 2004, Sicafodiidae, fam. nov. for Sicafodia stylos, gen. nov., sp. nov., from the marine bathyal of south-eastern Australia (Crustacea: Amphipoda: Gammaridea), Memoirs of Museum Victoria 61 (1), pp. 65-73 : 66

Sicafodiidae fam. nov.

Diagnosis. Body broad, smooth; cuticle smooth. Cephalon short with well developed rostrum. Pereonite 1 enlarged, partly overlapping cephalon. Pleonal sideplates broadly rounded. Primary flagellum of antennae multiarticulate (not confirmed for antenna 2), accessory flagellum present, 1-articulate, antenna 1 with callynophore commencing on first flagellar article. Coxal plates 1–4 apically rounded, barely longer than broad, overlapping, forming an even ventral curve, coxa 4 barely excavate posteriorly. Mouthparts elongate, grouped into sharply pointed downward-backward pointing cone. Upper lip apically notched. Mandibles without molar and spine row, with 3-articulate palp, both mandibles with rod-shaped lacinia mobilis. Lower lip with mandibular lobes, inner lobes absent. Maxilla 1 without palp, inner plate digitiform, outer plate with 9 distal spine-like setae. Maxilla 2 plates slender, with apical and subapical setae only. Maxilliped with 3-articulate palp, outer and inner plates of subequal length. Gnathopods 1 and 2 simple, strongly dissimilar. Pereopods 3–7 slender, dactyls slender, nearly straight, pereopods 5–7 with article 2 expanded. Urosomites free. Uropods with full complement of slender, lanceolate rami, peduncle of uropod 3 short. Telson short, laminate, apically incised. Coxal gills simple sacks, on pereopods 2–7. Oostegites on pereopods 2–5, 2–4 broad, sparsely setose, 5 linear.

Type genus. Sicafodia gen. nov.