Extraordinarius alicecooperi Rheims 2022, spec. nov.
Creators: name: Rheims, Cristina A.
Publisher: name: Zenodo
Year: 2022
Subjects: Biodiversity
Taxonomy
Animalia
Arthropoda
Arachnida
Araneae
Sparassidae
Extraordinarius
Extraordinarius alicecooperi

description: Extraordinarius alicecooperi spec. nov.
Figs 1−16
Type material. Holotype: BRAZIL: Espírito Santo: ♂, Domingos Martins, 41 km east of Vitória [‑20.3667, ‑40.6500], 1 June 1994, M. Ramírez leg. (IBSP 312343). Paratype: BRAZIL: Espírito Santo: ♀, Parque Natural Municipal David Victor Farina (‑19.9167, ‑40.1167), 15 October 2010, T. Souza et al. leg. (IBSP 135153).
Additional material examined. BRAZIL. Espírito Santo: 1♂, Linhares, Reserva Florestal Vale do Rio Doce [‑19.1500, ‑40.0667], 5−12 January 1998, A.D. Brescovit et al. leg. (IBSP 24334).
Note. The vial from Linhares (IBSP 24334) includes only a palp and the dorsal shield of the prosoma. It is a remnant of the fire that destroyed part of the collection at the Butantan Institute in 2010. Since many of the vials were broken during the accident, some specimens and labels might have been mixed up. For this reason, I consider the locality of this specimen doubtful. It is included in the distribution map but marked with “?”.
Etymology. The species name honors Alice Cooper (Vincent Damon Furnier), an American singer and songwriter known for his very theatrical rock concerts; name in genitive case.
Diagnosis. Males of E. alicecooperi spec. nov. are distinguished from all other species of the genus by the palp with three prolateral spines on tibia, RTA distally bifid, MA arising from tegulum at 4 o’clock position and TBE entirely hyaline, not distally rounded and merging into the conductor (Figs 11−13) (only one prolateral spine on tibia, RTA single, MA arising from tegulum between 5-6 o’clock and TBE laminar and distally rounded in the other species). Females resemble those of E. rickalleni (Rheims 2019: figs 62−64) and E. angusyoungi spec. nov. (Figs 21−23) by the epigyne with MS lacking an anterior scape. They are distinguished from those of both species by the LL medially projecting over the inverted T-shaped MS (Fig. 14).
Description. Male (holotype): Prosoma brown, slightly darker at eye area; eye borders black; fovea and thoracic striae slightly darker than prosoma. Chelicerae brown, slightly darker than prosoma. Legs and palps pale orange brown. Labium brown, distally pale brown. Endites pale brown, distally cream colored. Sternum pale yellow with pale brown margins. Opisthosoma cream colored; dorsally with pair of faint brownish gray stripes along lateral margins of cardiac mark, radiating brown marks laterally on anterior half and 7−8 median chevron‑like marks down posterior half; ventrally with faint median, V‑shaped line of muscle impressions. Spinnerets yellowish cream colored (Figs 1−3). Total length 8.9. Prosoma: 4.1 long, 3.5 wide. Opisthosoma: 4.5 long, 3.0 wide. Eyes: diameters: 0.30, 0.23, 0.16, 0.24; interdistances: 0.22, 0.15, 0.45, 0.35, 0.20, 0.12. Legs (2143): I: 11.6 (3.5, 2.0, 2.7, 2.5, 0.9); II: 11.8 (3.7, 1.9, 2.8, 2.6, 0.8); III: 9.3 (3.1, 1.3, 2.0, 2.1, 0.8); IV: 11.5 (3.4, 1.3, 2.6, 3.1, 1.1). Palp: VTA triangular, situated medially; tibia short, roughly one fourth cymbium length; RTA arising distally with two apices, the dorsal one longest and gently curved (in retrolateral view), the ventral one shorter, triangular; TBC slightly longer than wide, pointed and cave‑like; E arising from tegulum at 6 o’clock position; MA spoon‑shaped, roughly as long as wide (Figs 4−6, 11−13).
Female (paratype): Prosoma brown, slightly darker at eye area, with faint darker lines running posteriorly from behind posterior eyes, along lateral margins of cephalic region and thoracic striae; fovea slightly darker than prosoma; eye borders black. Chelicerae brown, darker than prosoma. Legs pale brown. Palps brown. Labium and endites dark brown, distally pale brownish orange. Sternum brown with darker margins. Opisthosoma brownish cream colored; dorsally with scattered brown irregular marks laterally and around cardiac mark and 6 median chevron‑like marks down posterior half; ventrally with few scattered brown spots and median, faint V‑shaped line of muscle impressions. Spinnerets orange brown (Figs 7−8). Total length 13.4. Prosoma 5.8 long, 4.8 wide. Opisthosoma 7.6 long, 4.6 wide. Eyes: diameters: 0.40, 0.32, 0.25, 0.30; interdistances: 0.30, 0.30, 0.60, 0.60, 0.25, 0.15. Legs (4123): I: 14.9 (4.4, 2.7, 3.7, 3.1, 1.0); II: 14.6 (4.5, 2.7, 3.5, 3.0, 0.9); III: 12.2 (3.9, 2.1, 2.7, 2.7, 0.8); IV: 16.0 (4.7, 2.0, 3.6, 4.4, 1.3). Epigyne: EF slightly wider than long with pair of anterior lateral oblique grooves; MS inverted T‑shaped, roughly as wide as long, posteriorly grooved; LL projecting over MS forming a chalice shape (Figs 9, 14). Vulva: double helix with 7 turns, packed structures converging anteriorly towards one another; FD antero‑laterad (Figs 10, 15−16).
Distribution. Known from Espírito Santo, southeastern Brazil (Fig. 31).
description: Published as part of Rheims, Cristina A., 2022, New species and records of the genus Extraordinarius Rheims, 2019 (Araneae Sparassidae: Sparianthinae), pp. 190-200 in Zootaxa 5205 (2) on pages 191-194, DOI: 10.11646/zootaxa.5205.2.6, http://zenodo.org/record/7305871