The Goblin Spider Genus Costarina (Araneae, Oonopidae), Part 2: the Costa Rican fauna Platnick, Norman I. Berniker, Lily Víquez, Carlos American Museum Novitates 2014 2014-01-06 2014 3794 1 76 YWBB Platnick & Berniker & Víquez, 2014 Platnick & Berniker & Víquez 2014 [376,593,614,641] Arachnida Oonopidae Costarina Animalia Araneae 10 11 Arthropoda species carrillo sp. nov.  DIAGNOSIS: Males closely resemble those of  C. elena(cf. figs. 56–66) in having an enlarged, distally flared distal embolar prong with a long, narrow basal extension and a basally widened proximal embolar prong, but have a rounded tip on the distal prong (figs. 210–215); females resemble those of  C. viejo(cf. figs. 133–143) and  C. cerere(cf. figs. 406–416) in having fully fused ventral scuta and a pair of round sclerotizations at the sides of the genital atrium, but the posterior genitalic elements lack the posteromedian lobe found in those species (figs. 217–220).  MALE (PBI_OON 51235, figs. 210–215): Total length 2.35. Both processes on endite short, narrow. Femora: I r1-1-0; II p0-0-1; metatarsus I v2-2-2. Embolus distal prong long, anterior margin subdistally excavated; proximal prong gradually narrowing throughout its length ( N =1). FEMALE (PBI_OON 51235, figs. 216–220): Total length 2.75. Spination typical. Genital atrium relatively large, with sclerotizations visible through anterolateral corners ( N =2).  DISTRIBUTION: San José. OON 51235 1983-04-28 1983-04-30 1983-04-28 CAS D. Ubick Costa Rica 1100 Male Parque Nacional Braulio Carrillo 10 11 3 holotype