Zeuxo kirkmani Edgar 2008, n. sp.

• Main Author: Edgar, Graham J.
• Format: Other/Unknown Material
• Language: unknown
• Published: 2008
• Subjects: Biodiversity; Taxonomy; Animalia; Arthropoda; Malacostraca; Tanaidacea; Tanaididae; Zeuxo; Zeuxo kirkmani; Seta; Antarc*; Antarctica
• Online Access: https://zenodo.org/record/5127412; https://doi.org/10.5281/zenodo.5127412

Zeuxo kirkmani n. sp. (Figs 28–30) Material examined. Holotype. Female (NMV J56149), 2.8 mm Seven Mile Beach, WA, 2 m depth, Amphibolis antarctica washings, 1 May 1986. Paratypes. Two males, three females (NMV J56150), holotype location. Other material. One male, five females (NMV J57285), Cliff Head, WA, 1 m depth, Amphibolis antarctica washings, 1 May 1986; two males, one female, Bickley Point, Rottnest Island, WA, 0.5 m, Amphibolis washings, 10 Jan 1991. Diagnosis. With characters of genus. Dorsal surface with dark purplish pigmentation extending from cephalothorax to pleotelson; antennule article 1 about 2.8 times (female) and 3.5 times (male) longer than wide, terminal article with two to four (female) and four or five (male) aesthetascs; left mandible with lacinia mobilis reduced, peg-like and acutely pointed, right mandible with lacinia mobilis reduced to thorn; pereopod 1 coxa produced anteriorly into bulge with six setae; pleopod basal article with six setae on outer margin, one seta on inner margin, endopod with three setae on inner margin; uropod with six articles in mature individuals; sexually dimorphic. Description. FEMALE Body (Fig. 28). Length to 3.5 mm; preserved specimens with dark purplish pigmentation extending from cephalothorax to pleotelson and on chelipeds, pereopods, antenna and articles 1 and 3 of antennule. Cephalothorax rounded and narrowing anteriorly in dorsal view, longer than wide. Pereon occupies about 57% of total length; pereonites with several setae along anterio-dorsal and lateral margins; pereonite 1 length about one-fifth width; pereonites 2 and 3 similar, almost twice length of pereonite 1; pereonites 4, 5 and 6 similar, nearly twice length of pereonite 3. Pleonites together one-fifth as long as body; pleonites 1, 2 and 3 decreasing in length and width, each about five-sixths length of preceding segment; pleonites 4 and 5 similar, together as long as pleonite 3. Pleotelson similar length to pleonite 2; posterior margin with pair of short setae central between pair of ...