cayennae, Hoplosternum thoracatum Hoedeman [J. J.] 1961:130 [Bulletin of Aquatic Biology v. 2 (no. 23); ref. 11969] Cayenne Island, French Guiana. Holotype: ZMA 102238a. Paratypes: ZMA 102238b (3). Type catalog: Nijssen et al. 1982:54 [ref. 19236], Ferraris 2007:128 [ref. 29155]. •Synonym of Hoplosternum thoracatum (Valenciennes 1840), but a valid subspecies as described -- (Burgess 1989:364 [ref. 12860]). •Synonym of Hoplosternum littorale (Hancock 1828) -- (Reis 1997:303 [ref. 22747], Reis in Reis et al. 2003:305 [ref. 27061], Ferraris 2007:128 [ref. 29155], Litz & Koerber 2014:23 [ref. 33622], Mirande & Koerber 2015:39 [ref. 35117], Koerber et al. 2017:56 [ref. 35267]). Current status: Synonym of Hoplosternum littorale (Hancock 1828). Callichthyidae: Callichthyinae. Habitat: freshwater.