A new genus and species of miniature tridentine catfish from the Amazon basin (Siluriformes: Trichomycteridae)

This dataset contains the digitized treatments in Plazi based on the original journal article Datovo, Alessio, Ochoa, Luz, Vita, George, Presti, Paulo, Ohara, William M., Pinna, Mario C. C. de (2023): A new genus and species of miniature tridentine catfish from the Amazon basin (Siluriformes: Trichomycteridae). Neotropical Ichthyology (e 230076) 21 (3): 1-22, DOI: 10.1590/1982-0224-2023-0076, URL: dx.doi.org/10.1590/1982-0224-2023-0076 A new miniature tridentine catfish is described from the rio Purus drainage, Amazon basin, Brazil.

It differs from all other tridentines in having several unique autapomorphies: conspicuous anteromedial protuberance in the snout; set of symphyseal premaxillary and dentary teeth inclined posteromedially; distal process of the hyomandibula directed anteriorly; rod-like orbitosphenoid ossified only ventral to the optic nerve; mesethmoid cornua inclined ventrolaterally; opercular and interopercular odontodophores separated by a large interspace; basipterygia fused sagittally; and conspicuous dark brown horizontal stripe in the middle of the caudal fin.