thauma, Diapoma Menezes [N. A.] & Weitzman [S. H.] 2011:67, Figs. 17-23 [Papéis Avulsos de Zoologia, Museu de Zoologia da Universidade de São Paulo v. 51 (no. 5); ref. 31289] Rio das Antas near mouth of the rio da Prata basin, 29°04'01"S, 51°22'48"W, Rio Grande do Sul, Brazil. Holotype: MCP 44105. Paratypes: MCP 23047 (2), 3758 (2), 37900 (2?), 41011 (12); MZUSP 104077 (28 or 30, 2 c&s); UFRGS 9708 (24). •Valid as Diapoma thauma Menezes & Weitzman 2011 -- (Thomaz et al. 2015:Add. 5 [ref. 33893], Bertaco et al. 2016:413 [ref. 34561], Ito et al. 2022:19 [ref. 39124]). Current status: Valid as Diapoma thauma Menezes & Weitzman 2011. Stevardiidae: Diapominae. Distribution: Tributaries of rio Jacuí basin, Rio Grande do Sul, Brazil. Habitat: freshwater.