eugeniae, Aulixidens Böhlke [J. E.] 1952:775 [Annals and Magazine of Natural History (Series 12) v. 5 (no. 56) (art. 81); ref. 592] Río Curamoni, Canal de Casiquiare, Venezuela. Holotype: CAS-SU 16940. Paratypes: Géry coll. [ex CAS-SU] (1), CAS-SU 16941 (2), 16942 (now 7, orig. 10), 16943 (2); USNM 157368 [ex CAS-SU 16942] (1). Type catalog: Böhlke 1953:22 [ref. 12291], Vari & Howe 1991:8 [ref. 19022]. •Valid as Aulixidens eugeniae Böhlke 1952 -- (Malabarba in Reis et al. 2003:113 [ref. 27061], Mirande 2010:537 [ref. 31006], Thomaz et al. 2015:Add. 5 [ref. 33893]). Current status: Valid as Aulixidens eugeniae Böhlke 1952. Stevardiidae: Diapominae. Distribution: South America: Orinoco River basin, Venezuela. Habitat: freshwater.