truncatorostris, Chasmocranus Borodin [N. A.] 1927:5, Fig. 4 [American Museum Novitates No. 266; ref. 12246] Col. Hansa, Joinville, Sta. Catarina Province, Brazil. Holotype (unique): AMNH 8640. Type catalog: Ferraris 2007:183 [ref. 29155]. •Valid as Heptapterus truncatorostris (Borodin 1927) -- (Burgess 1989:277 [ref. 12860]). •Valid as Chasmocranus truncatorostris Borodin 1927 -- (Bockmann & Guazzelli in Reis et al. 2003:412 [ref. 27061], Ferraris 2007:183 [ref. 29155]). Current status: Valid as Chasmocranus truncatorostris Borodin 1927. Heptapteridae: Heptapterinae. Distribution: Catarina Province Brazil (known only from the type locality). Habitat: freshwater.