Genus: Bonacynodon MARTINELLI, SOARES, & SCHWANKE, 2016
Etymology: Bona, in reference to Argentinean paleontolgist Dr. Jose Ferando Bonaparte for his huge contributions to the knowledge of cynodonts and other vertebrates from the Triassic of Brazil and Argentina, Greek, cyno- "dog", and Greek, -odon, 'tooth', in reference to Cynodontia, the members wiht "dog-like teeth".

Species: schultzi MARTINELLI, SOARES, & SCHWANKE, 2016
Etymology: In honor of Dr. Cesar Leandro Schultz, professor at the Universidade Federal do Rio Gande do Sul (UFRGS, Porto Alegre, Brazil), for his contributions to the paleontology and biostratigraphy of Triassic vertebrate faunas of southern Brazil and for his continous encouragment and guideance to students at the UFRGS.

Holotype: MCT-1716-R

Locality:  Pinheiros region, Candelaria municipality, Rio Grande do Sul State, Brazil.

Horizon: Pinheiros-Chiniqua Sequence, Santa Maria Supersequence.

Biostratigraphy: Dinodontosaurus assemblage zone.

Age: Carnian Stage, Late Triassic Epoch, Late Triassic.

Material: Partial skull lacking most of the skull roof with partial dentition, articulated lower jaws, and part of its postcranial skeleton, although poorly preserved.

Referred material:

MCT-1717-R: Partial skull and articulated lower jaws, wiht partial upper and lower dention.