Genus Paracymbiomma Rodrigues, Cizauskas & Rheims, 2018

Paracymbiomma Rodrigues, Cizauskas & Rheims, 2018: 303 (Type species: P. angelim Rodrigues, Cizauskas & Rheims, 2018).

Key to species of Paracymbiomma

1 Males .............................................................................................. 2

- Females (except P. doisirmaos, unknown)................................................................ 10

2 Eyes present (Figs 1, 15)............................................................................... 3

- Eyes absent (Fig. 66; Rodrigues et al. 2018, figs 6, 13)................................................. P. caecus

3 Eight eyes (Figs 15–16, 20)............................................................................. 4

- Six eyes (Figs 1, 6–7)................................................................................. 6

4 Palpal bulb with tegulum ovoid; MA rounded (Rodrigues et al. 2018, fig. 57) or gutter-shaped (Fig. 18) with small, pointed distal tip............................................................................................ 5

- Palpal bulb with tegulum circular; MA long and slender, twisted at base (Rodrigues et al. 2018, fig. 53)..... P. pauferrense

5 RTA gently tapering from base to tip (Rodrigues et al. 2018, fig. 58); embolus running straight from base before curving around tegulum (Rodrigues et al. 2018, fig. 57)............................................................ P. carajas

- RTA medially as thick as base, tapering at distal third towards tip (Fig. 19); embolus curving around tegulum from base (Fig. 18)................................................................................. P. otxurucu sp. nov.

6 Palpal tegulum ovoid; MA wide, less than two times longer than wide (Figs 4, 11; Rodrigues et al. 2018, fig. 61)......... 7

- Palpal tegulum rounded; MA slender, three or more times longer than wide (Fig. 38; Rodrigues et al. 2018, figs 49, 53).... 8

7 RTA tip not surpassing half cymbium length (Rodrigues et al. 2018, Fig. 62); C short, arising from tegulum close to MA; MA rounded with small triangular tip (Rodrigues et al. 2018, fig. 61)....................................... P. bocaina

- RTA tip surpassing half cymbium length (Figs 5, 12); C elongate, almost as long as embolus, arising from tegulum close to embolar base; MA resembling a scorpion telson, with blunt tip (Figs 4, 11).......................... P. pepita sp. nov.

8 Palpal tibia with a median, subrectangular retrolateral apophysis in addition to the RTA (Figs 39, 43)....... P. una sp. nov.

- Palpal tibia without median retrolateral apophysis (Rodrigues et al. 2018, figs 50, 54).............................. 9

9 RTA far from cymbium wall (Rodrigues et al. 2018, fig. 55); MA small, retrolaterally directed; embolar insertion central, far from MA (Rodrigues et al. 2018, figs 55–56)..................................................... P. doisirmaos

- RTA close to cymbium wall; MA large, hook-shaped; embolus inserted at 12 o’clock position, close to MA (Figs 18,19; Rodrigues et al. 2018)......................................................................... P. angelim

10 Eyes present (Figs 6, 20, 37)........................................................................... 11

- Eyes absent (Fig. 72)............................................................................ P. caecus

11 Eight eyes (Figs 20, 46–47)............................................................................ 12

- Six eyes (Fig. 37).................................................................................... 14

12 Epigynum with atrium triangular (Fig. 22; Rodrigues et al. 2018, fig. 59)........................................ 13

- Epigynum with atrium wide, onion dome-shaped (Figs 49, 52)...................................... P. pauferrense

13 Epigynum with atrium with lateral margins scletorized and anterior margin not sclerotized (Figs 22, 26); vulva with SS reaching anteriormost part of translucent copulatory duct (Figs 23, 27).................................. P. otxurucu sp. nov.

- Epigynum with atrium with lateral and anterior margins sclerotized (Rodrigues et al. 2018, fig. 59); vulva with SS not reaching anteriormost part of translucent copulatory duct (Rodrigues et al. 2018, fig. 60)............................ P. carajas

14 Epigynum with atrium triangular or circular, without hood; posterior margin of epigynal plate roughly straight (Figs 8, 40; Rodrigues at al. 2018, fig. 63).......................................................................... 15

- Epigynum with atrium semicircular, forming a hood; posterior margin of epigynal plate recurved (Rodrigues et al. 2018, fig. 51)........................................................................................ P. angelim

15 Epigynum with atrium circular (Fig. 40; Rodrigues et al. 2018, fig. 63)......................................... 16

- Epigynum with atrium triangular (Figs 9, 13).................................................. P. pepita sp. nov.

16 Epigynum with atrium with anterior and lateral margins sclerotized (Rodrigues et al. 2018, fig. 63); vulva with CD with thicker lateral parts; SS directed anteriorly (Rodrigues et al. 2018, fig. 64)....................................... P. bocaina

- Epigynum with atrium with lateral margins sclerotized and anterior margin not sclerotized (Figs 40, 44); vulva with CD with proximal part thicker; SS directed posteriorly (Figs 41, 45)......................................... P. una sp. nov.