| Description: |
Pilbarana Stringer & King gen. nov. urn:lsid:zoobank.org:act: 39BF6911-DFF8-440F-B4BB-3DDA3E0DD75D Type species: Pilbarana grandis sp. nov. Included species: Pilbarana grandis sp. nov. and Pilbarana lowryi sp. nov. Diagnosis. Head with weakly concave antennal sinus.Antenna 1 not longer than half body length. Maxilla 1 inner plate with one distal robust seta. Coxae reduced, with coxae 1–4 lengths (depths) distinctly shorter than pereonite lengths; coxae 1–2 anteriorly projected/produced, coxae 3–4 with small to indistinct anterior lobe and associated seta(e), posterior lobe indistinct, coxae 5–7 with anterior lobe gradually less distinct (coxae 5–6 anterior lobe with associated setae), posterior lobe very small. Coxal gills present on coxae 3–6, sternal gills absent. Pereonite 1 with concave posterodistal corner; pereonites 2–7 laterally square-shaped, as broad as long, vermiform body shape. Gnathopod 1 carpus at least 3.5 times as long as broad, longer than propodus; propodus with palm distinctly transverse. Gnathopod 2 propodus approximately 4.5 times length of carpus, palm enlarged, strongly oblique. Pereopods 5–7 basis not distinctly expanded posteriorly, pereopod 7 without lobe on posterodistal corner. Uropod 1 peduncle 2 times length of rami, with one or more robust basofacial seta(e). Uropod 3 strongly extended, distinctly larger than uropod 1; outer ramus cylindrical, larger than inner ramus and apically concave. Description. Head with rostrum weak to obsolete; lateral cephalic lobes moderately to strongly projecting, broad, antennal sinus present, weakly concave; eyes absent. Antenna 1 not longer than half body length; longer than antenna 2; flagellum about 1.2 times length of peduncle; accessory flagellum of two articles, second article tiny. Antenna 2 flagellum shorter than peduncle; calceoli absent. Mandible palp of three articles, terminal article linear or tapered with long apical setae; molar small and triturative. Maxilla 1 inner plate ovate with one distal robust seta; outer plate with ... |