A new species of the traversodontid cynodont Exaeretodon from the Santa Maria Formation (Middle/Late Triassic) of southern Brazil

By F. Abdala, M. C. Barberena, J. Dornelles. 2002

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A new traversodontid cynodont from the Santa Maria Formation (Ladinian-Carnian) of southern Brazil, with a phylogenetic analysis of Gondwanan traversodontids (2003, background): “Recently erupted postcanines in Exaeretodon are also roughly triangular in occlusal view, but become more rectangular with wear (Abdala et al., 2002).”
Vertebrate Succession in the Ischigualasto Formation (2012, background): “Battail (1991), Abdala et al. (2002), and Oliveira et al. (2007), however, have maintained Exaeretodon frenguellii as a valid species.”
A Late Triassic dinosauriform from south Brazil and the origin of the ornithischian predentary bone (2007, background): “…stem-mammals (Bonaparte et al. 2003, 2005), the tritheletondid Riograndia (Bonaparte et al. 2001), and a large traversodontid, possibly Exaeretodon (Abdala et al. 2002), suggest a correlation to the “Ictidosaur Assemblage Zone” (Rubert and Schultz 2004), which is typically considered…”
REDESCRIPTION OF PLATYCRANIELLUS ELEGANS (THERAPSIDA, CYNODONTIA) FROM THE LOWER TRIASSIC OF SOUTH AFRICA, AND THE CLADISTIC RELATIONSHIPS OF EUTHERIODONTS (2007, background): “Bonaparte (1962), Chatterjee (1982), Hopson (1984), Abdala et al. (2002).”