amoenus, Creagrutus Fowler [H. W.] 1943:239, Fig. 18 [Proceedings of the Academy of Natural Sciences of Philadelphia v. 95; ref. 1443] Río Orteguasa, Florencia, Caquetá, Colombia. Holotype: ANSP 70499. Paratypes: ANSP 70500-02 (3), 70503 (1 c&s). Type catalog: Böhlke 1984:42 [ref. 13621]. •Valid as Creagrutus amoenus Fowler 1943 -- (Vari & Harold 2001:58 [ref. 25842], Powers & Mayden 2003:578 [ref. 27129], Vari & Harold in Reis et al. 2003:121 [ref. 27061], Román-Valencia & Cala 1997:145 [ref. 30645], Román-Valencia et al. 2010:94 [ref. 30781], Mirande et al. 2013:763 [ref. 33366], Barriga Salazar 2014:107 [ref. 35745], Thomaz et al. 2015:Add. 5 [ref. 33893], DoNascimiento et al. 2017:57 [ref. 35633], Albornoz-Garzón et al. 2018:351 [ref. 36150], Albornoz-Garzón et al. 2020:371 [ref. 37405], Meza-Vargas et al. 2021:17 [ref. 39298]). Current status: Valid as Creagrutus amoenus Fowler 1943. Stevardiidae: Creagrutinae. Distribution: South America: upper Amazon River basin (Colombia, Ecuador and Peru). Habitat: freshwater.