Paraproto Mayer, 1903

Guerra-García, José M., Keable, Stephen J. & Ahyong, Shane T., 2020, A new species of Paraproto (Crustacea: Amphipoda) from southern New SouthWales, Australia, Zootaxa 4755 (2), pp. 271-293 : 285

Key to the world species of Paraproto Mayer, 1903

This key is based on adult male specimens. Figure 13 illustrates the morphological characters used in conjunction with the key.

1a. Pereonite 2 with acute dorsal projection................................................................... 2

1b. Pereonite 2 without dorsal projection...................................................................... 3

2a. Pereonites 3 and 4 with distinct projection dorsally.................................................... P. spinosa

2b. Pereonites 3 and 4 without distinct projection........................................................ P. gabrieli

3a. Propodus of gnathopod 2 with distal round projection............................................... P. condylata

3b. Propodus of gnathopod 2 without projection................................................................ 4

4a. Pereonites 2– 4 with acute lateral projections (near the coxa in pereopod 2 and near the insertion of the gills in pereopods 3 and 4)........................................................................................... P. mccaini

4b. Pereonites 2–4 without projections....................................................................... 5

5a. Gnathopod 2 inserted on anterior half (or middle) of pereonite 2 in larger males. Mandibular palp setal formula of 1-9-1 or 1- 10-1..................................................................................... P. tasmaniensis

5b. Gnathopod 2 inserted on posterior half of pereonite 2 in larger males. Mandibular palp setal formula 1-3-1.................................................................................................... P. murrayae n. sp.

Figures

FIGURE 13. Morphological characters used to identify species of Paraproto. Numbers (1–5) and letters (a, b) correspond to the couplets of the key provided. Figures modified from Haswell (1885), Stebbing (1914), Guerra-García & Coleman (2001), Guerra-García & Takeuchi (2004), Takeuchi (2015).