Macrostylis sabinae, Bober & Riehl & Henne & Brandt, 2018

Bober, Simon, Riehl, Torben, Henne, Stephan & Brandt, Angelika, 2018, New Macrostylidae (Isopoda) from the Northwest Pacific Basin described by means of integrative taxonomy with reference to geographical barriers in the abyss, Zoological Journal of the Linnean Society 182, pp. 549-603 : 568

publication ID	86A4E12-3343-4729-83B7-1AA214929A56
publication LSID	lsid:zoobank.org:pub:86A4E12-3343-4729-83B7-1AA214929A56
persistent identifier	https://treatment.plazi.org/id/9E608016-2C6A-4550-FEA1-A0944933C22F
treatment provided by	Plazi
scientific name	Macrostylis sabinae
status	sp. nov.

Treatment

MACROSTYLIS SABINAE View in CoL SP. NOV.

( FIGS 13–24)

urn:lsid:zoobank.org:act:F3936020-7319-42D1-825F-F3F97291DCC5

Diagnosis

Ventral projection 1, and 3–7 present in females; ventral projections in males: pereonite 5 and 6 ventral projection absent. Pereonite 4 widest anteriorly and continuously narrowing towards posterior, not produced posteriorly, posterolateral setae absent; pleotelson waist present; operculum elongate; pleotelson L/W ratio in males greater than in females; male pleotelson of hourglass-like shape, with an anterior and a posterior convex outline separated by a concave waist; posterior apex short, laterally slightly convexly curved and medially truncate. Male aesthetascs of two types: (1) aesthetasc with intermediate belt of constriction, (2) aesthetasc with intermediate belt of constriction and additional single constriction in distal half. Pereopod III ischium dorsal lobe triangular; apex with 1 prominent seta; apical seta robust, sensillate, bifid and curved proximally, spine-like. Prominent coxal seta on pereopod VII. Pleopod I lateral horns clearly projecting distally beyond medial lobes.

Etymology

Macrostylis sabinae sp. nov. was named after the first author’s mother Sabine Bober.

Type fixation

Holotype: Adult female, 2.4 mm ( ZMH K-45908), designated here.

Type material examined

Table 3, Supporting Information S1.

Nineteen specimens of various stages and both genders used for DNA extraction.

Type locality

North-west Pacific, abyssal plain south-east from KKT; RV Sonne stations SO223–2–9, 03. August 2012, 46.2268° N, 155.5567° E, 4830–4864 m depth GoogleMaps .