tessellatus, Imparfinis Silva [G. S. C.], Lopes [M. M.], Carvalho [K. R.], Oliveira [C.] & Sarmento-Soares [L. M.] 2026:269, Figs. 3c, 7 [Zootaxa 5814 (no. 2); ref. 43102] Rio Papagaio, Sapezal, Mato Grosso, Brazil, 13°33'38.0"S, 58°24'27.3"W. Holotype: LBP 38227. Paratypes: LBP, MNRJ, MZUSP. •Valid as Imparfinis tessellatus Silva, Lopes, Carvalho, Oliveira & Sarmento-Soares 2026. Current status: Valid as Imparfinis tessellatus Silva, Lopes, Carvalho, Oliveira & Sarmento-Soares 2026. Heptapteridae: Heptapterinae. Distribution: South America: Papagaio River drainage, upper Tapajós River basin, Mato Grosso, Brazil. Habitat: freshwater.