Callianopsis mauritana ( Sakai, Türkay, Beuck & Freiwald, 2015 ) Dworschak & Poore, 2018

Dworschak, Peter C. & Poore, Gary C. B., 2018, More cautionary tales: family, generic and species synonymies of recently published taxa of ghost and mud shrimps (Decapoda: Axiidea and Gebiidea), Zootaxa 4394 (1), pp. 61-76 : 67-68

Callianopsis mauritana ( Sakai, Türkay, Beuck & Freiwald, 2015) comb. nov.

( Fig. 4 )

Phaetoncalliax mauritana Sakai, Türkay, Beuck & FreiWald, 2015: 128 , figs 4–6.

Neocallianopsis africana Sakai, Türkay, Beuck & FreiWald, 2015: 129 , fig. 7. Syn. nov.

Material examined. SMF 44111, holotype (male, 14.5 mm), paratype (male, 11.0 mm), former labelled: “Senckenberg-Mus. ____ Frankfurt-Main \ Callianassidae 3 Expl. \ mitführende SaM-ID 1 210 \ MSM 16/3 St. 14 862-1 Station Gerät BG \ bearbeitet von J. Bludau am. 19.10.12 ”, “ Phaetoncalliax mauritana sp. nov. \ sp.nov. (Gen.nov.) \ SMF 0 0 1, Holotype, male (TL/CL 55.0/ 14.5 mm, \ missing small cheliped on right side), Canyon area \ Souther Banc d'Arguin, GKB, BG, 82 m \ 19°44.234'N, 17°08.745'W, 0 7.11.2010 \ R/V Maria S. Merian, Reise 11/3, 'Phaeton', \ Atlantic, around Mauretania \ Det. K. Sakai, 04.iii.2013, Tokushima ”.

Remarks. Sakai et al. (2015b) reported the holotype and paratype from station 14862-1 at a depth of 545 m, a depth confirmed in the cruise report ( Westphal et al. 2014). The depth (82 m) and the cruise number (11/3 instead of 16/3) given on the labels are errors, as is the placement of this station on their map ( Sakai 2015b: fig. 1).

The male pleopod 1 differs slightly between the holotype and paratype, the former having a proximal rounded tip and a distal acute tip ( Fig. 4B–E ), while the latter has two acute tips ( Fig. 4F ). In addition, the length/width ratio of the articles differs between the two specimens.

Neocallianopsis africana was described from an incomplete, damaged specimen, lacking both chelipeds and the pleon posterior to pleomere 3. It came from station 14848-1, one of the same stations where P. mauritana was recorded. Except for lacking a dorsal oval (see above) it apparently does not differ from P. mauritana and is thus synonymised here.

Figures

FIGURE 4. Callianopsis mauritana (Sakai, Türkay, Beuck& FreiWald, 2015). A–E, holotype of Phaetoncalliax mauritana, F, paratypeof P.mauritana, SMF44111.A, carapacein lateral vieW; B,same in dorsalvieW;C, D, left pleopod,posterior vieW;E, same, anterior vieW; F, left and right pleopods 1 in situ, arroW points to pleuron 1 spine. Scale bar = 1 mm.