Paralomis stevensi Ahyong & Dawson, 2006, sp. nov.

• Main Authors: Ahyong, Shane T., Dawson, Elliot W.
• Format: Other/Unknown Material
• Language: unknown
• Published: 2006
• Subjects: Biodiversity; Taxonomy; Animalia; Arthropoda; Malacostraca; Decapoda; Lithodidae; Paralomis; Paralomis stevensi; Macpherson; Ross Sea
• Online Access: https://zenodo.org/record/5663683; https://doi.org/10.5281/zenodo.5663683

Paralomis stevensi sp. nov. (Figs. 7–10) Paralomis birsteini.— Stevens, 2004: 6, 7 [not P. b i r s t e i n i Macpherson, 1988]. Neolithodes brodiei.— Thatje & Lörz, 2005: 335 [NIWA 3435 only; not N. brodiei Dawson & Yaldwyn, 1970]. Type material. HOLOTYPE: NIWA 23843, male (cl 74.6 mm, cw 75.7 mm, tcl 84.0 mm), near Scott I., 65 °40.0–36.0’S, 176 °21.0–17.0’W, 1688–1924 m, from stomach of Dissostichus mawsoni Norman, RV Avro Chieftain, set # 3, D. Stevens, 2 Dec 2003. PARATYPES: NIWA 3435, 1 ovigerous female (badly damaged, cl about 60.8 mm), E of Sturge I., Balleny Is., 67 ° 25.37 ’S, 165 ° 15.82 ’E, 1389 m, TAN0402/ 214, RV Tangaroa, 3 Mar 2004; NMNZ CR10856, 1 male (cl 61.7 mm, cw 62.0, tcl 73.4 mm), Ross Sea, 66 ° 46.90 – 44.90 ’S, 172 ° 56.4– 173 °01.70’W, 1846 – 1420 m, found on hook, RV Avro Chieftain, 1742 / 51, Jerry Buirski, 14 Mar 2003. Diagnosis. Carapace subpentagonal, slightly wider than long; surface glabrous, sparsely covered with small, scattered granules and short conical spines including median gastric spine; lateral margins with short conical spines. Rostrum trispinose, broadest basally, without constriction. Scaphocerite with inner and outer spines. Marginal plates of fourth to sixth abdominal somites in with low, angular protrusions in males, and short conical teeth in females. Sixth abdominal somite subquadrate. Mature male chelipeds strongly dimorphic, spinose; major cheliped palm about twice height of minor cheliped. Major cheliped palm of female about 1.3 times height of minor cheliped. Ambulatory legs elongate, spinose; ventral spines of propodi widely spaced; meral length exceeding 6 times height in males, exceeding 4 times height in females; propodal length exceeding 8.5 times height in males, exceeding 6 times height in females; dactyli shorter than extensor margin of propodi; first ambulatory leg about 3 times carapace length in males. Description. Carapace: Subpentagonal, slightly wider than long; surface glabrous, sparsely covered with small, scattered granules. Gastric ...