Paraplatyarthrus subterraneus Javidkar and King, 2015

Javidkar, Mohammad, King, Rachael A., Cooper, Steven J. B., Humphreys, William F. & Austin, Andrew D., 2017, Taxonomy of Paraplatyarthrus Javidkar and King (Isopoda: Oniscidea: Paraplatyarthridae) with description of five new species from Western Australia, and comments on Australian Trichorhina Budde-Lunde, 1908 (Platyarthridae), Zootaxa 4243 (3), pp. 401-431 : 424-426

Paraplatyarthrus subterraneus Javidkar and King, 2015

Fig. 2 H.

Paraplatyarthrus subterraneus Javidkar and King, in Javidkar et al. 2015: 567 .

Type material. Holotype: Male, WAM C53623 (BES15525.19), Laverton Downs Windarra calcrete, Eastern Murchison region , Western Australia, Australia ; 28.50282°S, 122.17726°E, 13 July 2010, coll. W.F. Humphreys & S.J.B. Cooper, deposited in the Western Australian Museum.

Paratypes: 5 males (WAM C53624, BES15525.24; WAM C53625, BES15525.16; WAM C53626, BES15525.12; WAM C53627, BES15525.2; WAM C53628, BES15525.3), 1 female (WAM C53629, BES15525.4), BES15525.20 held on SEM stubs (sex unknown); same locality and collectors’ as holotype, all deposited in the Western Australian Museum.

Diagnosis. Body pale without pigmentation. Eyeless (no ommatidia) ( Fig. 2 H).

Remarks. Paraplatyarthrus subterraneus is distinguished from other described Paraplatyarthrus species with a combination of characters including a pale body with no pigmentation, no ommatidia in cephalothorax and a delimiting line in maxilla 2. The body length varies between 3.0 and 3.8 mm. It is restricted to a single calcrete aquifer, Laverton Downs, Eastern Murchison region, Western Australia.

Figures

FIGURE 2. A: P. crebesconiscus sp. nov.; B & C: P. cunyuensis sp. nov., the arrow shows the cephalic lateral lobe; D: P. nahidae sp. nov.; E & F: P. occidentoniscus sp. nov., the arrow shows the cephalic lateral lobe; G: P. pallidus sp. nov.; H: P. subterraneus; scale bar of the image c: 0.5 mm, scale bar in other images: 1 mm. All images are of paratype specimens.