Paraleptognathia inermis Guerrero-Kommritz 2004, new combination

• Main Author: Guerrero-Kommritz, Jürgen
• Format: Other/Unknown Material
• Language: unknown
• Published: Zenodo 2004
• Subjects: Biodiversity; Taxonomy; Animalia; Arthropoda; Malacostraca; Tanaidacea; Akanthophoreidae; Paraleptognathia; Paraleptognathia inermis; Iceland
• Online Access: https://doi.org/10.5281/zenodo.5247917; http://treatment.plazi.org/id/03FB8794FFA1B33EE9270F68FEFEF9A1

Paraleptognathia inermis (Hansen, 1913) new combination (Figs 11, 12) Synonymy: Leptognathia inermis Hansen, 1913 Material examined: 14 individuals. Holotype ZMUC CRU 6821, North Iceland, RV ”Ingolf” St. 126, 67° 19´N 15° 52´W, 293 fm (536 m), one female, two neuters, other material : ZMH K­40536 RV ”Polarstern” St. 39, two females, ZMH K­39759 RV ”Polarstern” St. 179, six females, ZMH K­40532 RV ”Polarstern” St. 31­9, one female, ZMH K­40552 RV ”Polarstern” ARK IX­3 St. 155, two females. Diagnosis: Cheliped carpal shield very prominent, carpus less then twice as long as wide. Description: non­ovigerous female. Body (Fig. 11a, b): long, about 6.5 times longer than broad. Body length 2.2 to 3.9 mm. Cephalothorax (Fig. 11a, b): about 1.3 times longer than broad. Pereon (Fig. 11a, b): pereonite 6 shortest, pereonite 1 and 5 of equal length, pereonite 4 longer than 5 and equal to 3; pereonite 2 longest. Pleon (Fig. 11a, b): pleonites equal in length, with one lateral simple seta. Antennule (Fig. 11c): article 1 longest (longer than the rest articles combined length) with one long simple and four short simple distal setae; article 2 with one long and one short distal setae; article 3 shortest, with three distal simple short setae; article 4 with four terminal setae and one aesthetasc. Antenna (Fig. 11d): article 1 short semifused to cephalothorax; article 2 as long as broad, with one short spiniform seta; article 3 with one dorsal simple seta; article 4 with a constriction at midlength, two terminal long simple and at constriction one short simple setae; article 5 with one terminal simple seta and one at midlength; article 6 shortest, with four terminal simple setae. Labrum (Fig. 12d): hood­shaped, with a row of setules on the distal margin. Mandible (Fig. 12c): well calcified, pars molaris bent ventrally (one broken during dissection), lacinia mobilis broad and pointed. Maxillula (Fig. 12a): endite with three dorsal and three ventral rows of setules; one thin, one pinnate and six simple terminal spiniform setae. ...