What is "exaeretodon"

Exaeretodon is a genus of traversodontid cynodont; several species are known, from various formations. E. argentinus, E. frenguelli, and E. vincei are from the Carnian-age ( Upper Triassic) Ischigualasto Formation of Argentina. E. major and E. riograndensis are from the Ladinian-age ( Middle Triassic) portion of the Santa Maria Formation of Brazil. E. statisticae is from the Carnian-age Lower Maleri Formation of India.