clarkae, Adontosternarchus Mago-Leccia [F.], Lundberg [J. G.] & Baskin [J. N.] 1985:14, Figs. 1c, 16 [Contributions in Science (Los Angeles) No. 358; ref. 5732] Raudal (Rapids) de Mavahate, Río Negro near San Carlos de Río Negro, Amazonas Territory, Venezuela. Holotype: MBUCV-V-12703. Paratypes: FMNH 94263-64 (5, 1); LACM 43645-1 (3); MACPAY 0369 (3); MBUCV-V-11218 (2), V-11293 (1), V-11936 (1, not 2); MCZ 46872 (41), 46877 (orig. 141, now 134, 1 c&s missing, 3 not found); MZUSP uncat (2); USNM 266551 [ex MCZ 46877] (3). Type catalog: Ibarra & Stewart 1987:5 [ref. 12367], Ferraris & Vari 1992:4 [ref. 19771], Provenzano et al. 1998:2 [ref. 24196], Ferraris et al. 2017:[5] [ref. 35236]. •Valid as Adontosternarchus clarkae Mago-Leccia, Lundberg & Baskin 1985 -- (Ortega & Vari 1986:12 [ref. 9708], Mago-Leccia 1994:31 [ref. 21320], Albert 2001:109 [ref. 25614], Albert in Reis et al. 2003:498 [ref. 27061], Lundberg & Cox Fernandes 2007:35 [ref. 29255], de Santana & Vari 2012:535 [ref. 32200], Barriga Salazar 2014:116 [ref. 35745], Sarmiento et al. 2014:188 [ref. 35004], Ferraris et al. 2017:[5] [ref. 35236], DoNascimiento et al. 2017:67 [ref. 35633], Ochoa et al. 2020:63 [ref. 37781], Meza-Vargas et al. 2021:21 [ref. 39298]). Current status: Valid as Adontosternarchus clarkae Mago-Leccia, Lundberg & Baskin 1985. Apteronotidae: Apteronotinae. Distribution: South America: upper Amazon River basin (Brazil, Bolivia, Venezuela, Colombia, Ecuador and Peru). Habitat: freshwater.