Paraplatyarthrus

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 : 406

publication ID	https://doi.org/ 10.11646/zootaxa.4243.3.1
publication LSID	lsid:zoobank.org:pub:06BB3BA9-E53C-4EF9-BD58-B853BF64B88D
DOI	https://doi.org/10.5281/zenodo.5671346
persistent identifier	https://treatment.plazi.org/id/494D87CE-FFFA-CB53-4894-AB2A6DFEF826
treatment provided by	Plazi
scientific name	Paraplatyarthrus
status

Treatment

Key to species of Paraplatyarthrus View in CoL from Western Australia *

1. Maxilla 2 with no delimiting line between lobes (see Fig. 17 View FIGURE 17 E)................................... P. pallidus View in CoL sp. nov.

- Maxilla 2 with delimiting line between lobes (see Fig. 5 View FIGURE 5 F).................................................... 2

2. Eyes absent (no ommatidia present) (see Fig. 2 View FIGURE 2 H)................................................ P. subterraneus View in CoL

- Eyes present or significantly reduced (1–5 ommatidia present).................................................3

3. Male genital papilla apically truncated ( Fig. 9 View FIGURE 9 C); eyes with 1 very reduced orange ommatidium-like component ( Fig. 2 View FIGURE 2 C)...................................................................................... P. cunyuensis View in CoL sp. nov.

- Male genital papilla apically rounded ( Fig. 19 View FIGURE 19 A); eyes with 3–5 black ommatidia................................. 4

4. Cephalic lateral lobes enlarged ( Fig. 11 View FIGURE 11 H); male pleopod 1 exopodite with posterior point developed ( Fig. 13 View FIGURE 13 B)................................................................................................. P. nahidae View in CoL sp. nov.

- Cephalic lateral lobes small ( Figs. 2 View FIGURE 2 E–F); male pleopod 1 exopodite with no or a weak posterior point ( Fig. 16 View FIGURE 16 B)........ 5

5. Eyes with 3 ommatidia............................................................ P. occidentoniscus View in CoL sp. nov.

- Eyes with 5 ommatidia............................................................. P. crebesconiscus View in CoL sp. nov. (* P. australiensis could not be included in the key due to a lack of material)