lethostigmus, Odontostoechus Gomes [A. L.] 1947:8, Fig. 1; Pl. 1 (fig. 1) [Miscellaneous Publications, Museum of Zoology, University of Michigan No. 67; ref. 1830] Backwater of Rio Maquiné, tributary to Lagôa dos Quadros, Conceiçao do Arroio County, Rio Grande do Sul, Brazil. Holotype: UMMZ 143272. Paratypes: CAS-SU 40188 (1), UMMZ 143271 (orig. 12, now 11), USNM 143847 [ex UMMZ 143271] (1). Type catalog: Böhlke 1953:25 [ref. 12291], Vari & Howe 1991:32 [ref. 19022]. •Valid as Odontostoechus lethostigmus Gomes 1947 -- (Malabarba in Reis et al. 2003:151 [ref. 27061], Mirande 2010:542 [ref. 31006], Baicere-Silva et al. 2011:383 [ref. 31395]). •Valid as Bryconamericus lethostigmus (Gomes 1947) -- (Thomaz et al. 2015:Add. 5 [ref. 33893], Bertaco et al. 2016:412 [ref. 34561]). Current status: Valid as Bryconamericus lethostigmus (Gomes 1947). Stevardiidae: Diapominae. Distribution: Maquiné, Três Forquilhas, Mampituba and Araranguá River basins, Tramandai-Mampituba freshwater ecoregion, Brazil. Habitat: freshwater.