Vector illustration of Itaboraitemnus macrodon, a small very early toxodontian notoungulate, bearing its fangs and hissing at the viewer with its tail raised. This small mammal looks similar to a large rodent or hyrax, with blunt hooves hon the ends of its toes and long, pointed canines and third incisor teeth. It is reddish brown with a darker back and a light underbelly. Text reads: Itaboraitemnus macrodon. Luis Otavio Rezende Castro, Lilian Paglarelli Bergqvist and Daniel Alfredo Garcia-Lopez. "First record of Toxodontia for the Itaborai Basin (Paleogene, Rio de Janeiro, Brazil) and comments on the evolution of basal toxodonts (Pan-Perissodactyla, Mammalia)." Journal of Mammalian Evolution 32, no. 3 (2025): 34. Aug 20 2025
#cenozoicpaleo2025 Meet Itaboraitemnus macrodon!
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