epachrus, Trachelyichthys Calegari [B. B.], Akama [A.], Ferraris Jr. [C.] & Reis [R. E.] 2026:25, Figs. 8C, 11 [Neotropical Ichthyology v. 24 (no. 2): 250200; ref. 43281] Rio Marmelos upstream igarapé Escondido, rio Madeira basin, Amazonas, Brazil, 06°13'25.9"S, 61°54'03.4"W. Holotype: UFRO 28802. Paratypes: MCP, UFRO. •Valid as Trachelyichthys epachrus Calegari, Akama, Ferraris & Reis 2026. Current status: Valid as Trachelyichthys epachrus Calegari, Akama, Ferraris & Reis 2026. Auchenipteridae: Auchenipterinae. Distribution: South America: middle Madeira River drainage, Amazon River basin, Brazil. Habitat: freshwater.