Extraordinarius, Rheims. I, 2019

Rheims, Cristina A., 2022, New species and records of the genus Extraordinarius Rheims, 2019 (Araneae Sparassidae: Sparianthinae), Zootaxa 5205 (2), pp. 190-200 : 198-199

Identification key for known species of Extraordinarius

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

- Females............................................................................................ 6

2(1) Palpal tibia with one prolateral spine ( Rheims 2019: figs 19, 34, 45, 59); RTA single ( Rheims 2019: figs 21, 36, 47, 61); MA arising from tegulum between 5−5:30 o’clock ( Rheims 2019: figs 20, 35, 46, 60).................................. 3

‑ Palpal tibia with three prolateral spines ( Fig. 11 ); RTA bifid ( Fig. 13 ); MA arising from tegulum at 4 o’clock ( Fig. 12 )..................................................................................... E. alicecooperi spec. nov.

3(2) MA single, hook‑shaped ( Rheims 2019: figs 20, 46, 60); TBC triangular ( Rheims 2019: figs 20,46) or cave‑like ( Rheims 2019: fig. 60)............................................................................................. 4

‑ MA bifid; TBC strongly indented ( Rheims 2019: fig. 35)....................................... E. brucedickinsoni

4(3) VTA triangular in ventral view; TBC triangular; MA 1.5−2 times longer than wide ( Rheims 2019: figs 20, 60)........... 5

‑ VTA rounded in ventral view; TBC cave‑like; MA slightly over 3 times longer than wide ( Rheims 2019: fig. 60) E. rickalleni

5(4) RTA distinctly bent at a 90° angle, in retrolateral view ( Rheims 2019: fig. 21); MA with the same width throughout ( Rheims 2019: fig. 20)............................................................................. E. andrematosi

‑ RTA straight in retrolateral view ( Rheims 2019: fig. 47); MA with a widened base ( Rheims 2019: fig. 46) E. klausmeinei

6(1) MS with anterior scape ( Fig. 24 ; Rheims 2019: figs 22, 37).................................................... 7

‑ MS without anterior scape ( Figs 14 , 21 ; Rheims 2019: fig. 62)................................................. 9

7(6) anterior base of MS scape slender, less than one third scape width ( Fig. 24 ; Rheims 2019: fig. 22)..................... 8

- anterior base of MS scape wide, more than half scape width ( Rheims 2019: fig. 37).................. E. brucedickinsoni

8(7) LL strongly converging, reaching lateral margins of anterior base of scape, MS smooth, wider than long ( Rheims 2019: fig. 22)..................................................................................... E. andrematosi

‑ LL gently converging, running almost parallel to anterior base of scape; MS grooved, as wide as long ( Fig. 24 ).......... E. klausmeinei

9(6) LL straight, roughly parallel or converging anteriorly; MS roughly 1.5 times wider than long ( Fig. 21 ; Rheims 2019: fig. 62)................................................................................................... 10

‑ LL medially projecting over MS; MS as wide as long, roughly an inverted T‑shape ( Fig. 14 )...... E. alicecooperi spec. nov.

10(9) MS roughly rectangular ( Fig. 21 ); packed structures on each side running mostly parallel to one another ( Figs. 23−24 ).................................................................................... E. angusyoungi spec. nov.

‑ MS roughly oval ( Rheims 2019: fig. 62); packed structures on each side strongly converging towards one another ( Rheims 2019: figs 63−64)........................................................................... E. rickalleni

Figures

FIGURES 11−16. Extraordinarius alicecooperi spec. nov. 11−13 Male (holotype), left palp (11 prolateral, 12 ventral, 13 retrolateral); 14−16 Female (paratype), epigyne/vulva (14 ventral, 15 dorsal, 16 schematic course of internal duct system). C—conductor; CO—copulatory opening; E—embolus; FD—fertilization duct; LL—lateral lobe; MA—median apophysis; MS—median septum; RbP—retrobasal cymbial projection; RTA—retrolateral tibial apophysis; TBC—tegular projection close to conductor base; TBE—tegular projection close to embolus base; VTA—ventral tibial apophysis. Scale lines: 1 mm.

FIGURES 21−26. 21−23 Extraordinarius angusyoungi spec. nov., female (holotype). Epigyne/vulva (21 ventral, 22 dorsal, 23 schematic course of internal duct system). 24−26 Extraordinarius klausmeinei Rheims, 2019, female (IBSP 249601). Epigyne/ vulva (24ventral, 25 dorsal, 26 schematic course of internal duct system). Sc—anterior scape. Scale lines: 1 mm.