lyriformis, Agmus Eigenmann [C. H.] 1912:128, Fig. 25; Pl. 3 [Memoirs of the Carnegie Museum v. 5 (no. 1); ref. 1227] Gluck Island, Rupununi River, Guyana. Holotype: FMNH 53120 [ex CM 1554]. Paratypes: CAS 46357 [ex IU 11972] (1). Type catalog: Henn 1928:79 [ref. 12305], Ibarra & Stewart 1987:6 [ref. 12367], Ferraris 2007:60 [ref. 29155]. •Synonym of Bunocephalichthys verrucosus (Bloch 1794) -- (Mees 1988:93 [ref. 6401]). •Synonym of Bunocephalus verrucosus (Bloch 1794) -- (Burgess & Finley 1996:167 [ref. 22901]). •Valid as Agmus lyriformis Eigenmann 1912 -- (Burgess 1989:303 [ref. 12860], Chang & Ortega 1995:4 [ref. 24302]). •Synonym of Bunocephalus verrucosus (Walbaum 1792) -- (Friel in Reis et al. 2003:263 [ref. 27061], Ferraris 2007:60 [ref. 29155]). Current status: Synonym of Bunocephalus verrucosus (Walbaum 1792). Aspredinidae: Aspredininae. Habitat: freshwater.