The South American goblin spider genera Dysderina and Tridysderina (Araneae, Oonopidae) Author Platnick, Norman I. Author Berniker, Lily text American Museum Novitates 2013 2013-03-25 2013 3772 1 52 http://www.bioone.org/doi/abs/10.1206/3788.1 journal article 10.1206/3788.1 0003-0082 8722F650-62B9-403E-9C78-1F0D167F9182 Key to Species of Tridysderina 1. Sternum with second transverse ridge at level of coxa III (fig. 346)........................ bellavista – Sternum with single transverse ridge at level of coxa II (fig. 302)..........................................2 2. Males (those of T. archidona and T. tena unknown).................................................................3 – Females.............................................................................................................................................5 3. Embolus widest at tip (fig. 310)........................................................................................... yasuni – Embolus widest before tip.............................................................................................................4 4. Tip of conductor reaching to near tip of embolus (fig. 321)............................................ jatun – Tip of conductor not reaching to near tip of embolus (fig. 332).................................. galeras 5. Apodemes long (fig. 312)..................................................................................................... yasuni – Apodemes much shorter................................................................................................................6 6. Anterior genitalic projection protruding anterior of anterior margin of genitalic atrium (figs. 339, 340).................................................................................................................. archidona – Anterior genitalic projection shorter............................................................................................7 7. Anterior margin of genitalic atrium rounded (figs. 323, 324).......................................... jatun – Anterior margin of genitalic atrium squared (figs. 335, 345)..................................................8 8. Posterior margin of transverse bar connecting apodemes prolonged along midline (fig. 335).......................................................................................................................................... galeras – Posterior margin of transverse bar connecting apodemes not prolonged along midline (fig. 345)...................................................................................................................................... tena