Full reference: J. F. Bonaparte, A. G. Martinelli, C. L. Schultz and R. Rubert. 2003. The sister group of mammals: small cynodonts from the Late Triassic of southern Brazil. Revista Brasileira de Paleontología 5:5-27
Sister taxa: none
Type specimen: PV 0594 T, a partial skull. Its type locality is Faxinal do Soturno, Linha São Luiz, which is in a Norian fluvial siltstone/sandstone in the Caturrita Formation of Brazil.
Average measurements (in mm): partial skull length 21.0