Heteronida aspinirostris ( Khodkina, 1981 )

Macpherson, Enrique, Rodríguez-Flores, Paula C. & Machordom, Annie, 2023, Integrative approach to describe new species of squat lobsters of the genera Heteronida Baba & de Saint Laurent, 1996 and Torbenella Baba, 2008 (Decapoda, Munididae) from the Southwestern Pacific Ocean, European Journal of Taxonomy 860 (1), pp. 116-140 : 118-119

Heteronida aspinirostris ( Khodkina, 1981)

Bathymunida aspinirostris Khodkina, 1981: 1261 , figs 1–5.

Heteronida aspinirostris – Baba & de Saint Laurent 1996: 475, figs 3d–e, 23, 32d–f. — Baba 2005: 246. — Macpherson & Baba 2006: 451 . — Baba et al. 2008: 81.

Diagnosis

Dorsal surface of carapace finely granulate; gastric process prominently high and anteriorly produced; branchial region with distinct elevation. Rostral and supraocular spines distinct, with longitudinal ridge in midline of rostrum reaching posteriorly to gastric process, anteriorly directed strongly upward. Abdominal somites 2–3 each with strong, median hump-like process and low lateral process on each side; somite 4 with smaller median process on each of anterior and posterior ridges. P1–4 granulate. Dactyli of P2–4 relatively stout, flexor margin with 6–10 spines, distal one rather close to tip, extensor margin with plumose setae.

Material examined

NEW CALEDONIA • 1 ♂ (3.2 mm); Chesterfield Islands, EBISCO stn DW2610; 19º33.147′ S, 158º40.618′ E; 486–494 m depth; 19 Oct. 2005; MNHN-IU-2013-19874 .

NEW CALEDONIA • 2 ♂♂ (3.0– 3.2 mm); EXBODI stn CP3830; 22°05′ S, 167°09′ E; 400–437 m depth; 8 Sep. 2011; MNHN-IU-2016-5792 • 1 ♂ (3.4 mm); EBISCO stn DW3906; 19°50′ S, 165°33′ E; 490–580 m depth; 23 Sep. 2011; MNHN-IU-2011-7018 • 1 ♀ (3.3 mm); EBISCO stn DW3925; 18°35′ S, 164°19′ E; 388 m depth; 26 Sep. 2011; MNHN-IU-2016-5790 • 2 ♂♂ (3.2–3.3 mm); EBISCO stn DW3926; 18°35′ S, 164°20′ E; 364–473 m depth; 26 Sep. 2011; GenBank no.: COI: OP215645 , 16S: OP195984 , 18S: OP196233 , PEPCK: OP252457 ; MNHN-IU-2013-1920 • 1 ♂ (3.3 mm), 2 ♀♀ (3.1– 3.2 mm); EXBODI stn CP3927; 18°36′ S, 164°20′ E; 381 m depth; 26 Sep. 2011; MNHN-IU-2013-1972 • 1 ♂ (3.2 mm), 1 ov. ♀ (3.7 mm), 1 ♀ (3.3. mm); EBISCO stn DW3930; 18°37′ S, 164°26′ E; 448– 464 m depth; 26 Sep. 2011; MNHN-IU-2013-1663 , MNHN-IU-2013-1662 , MNHN-IU-2013-1660 • 4 ♂♂ (2.8–3.3 mm), 3 ov. ♀♀ (3.2–3.7 mm); EBISCO stn DW3937; 18°37′ S, 164°26′ E, 446–604 m depth; 27 Sep. 2011; MNHN-IU-2013-1788 to IU-2013-1790 .

Distribution

Previously known from New Caledonia, Loyalty Islands, Pines Island, Norfolk Ridge, Chesterfield Islands, Vanuatu, and Tonga, between depths of 345 and 930 m. The present material was collected in New Caledonia and Chesterfield Islands, at depths of 364– 604 m.