Mammalia - Astrapotheria - Astrapotheriidae
Xenastrapotherium amazonense differs from all other species of the genus Xenastrapotherium by having a substantially larger upper M3. M3 ectoloph length for X. amazonense falls outside the observed range for Xenastrapotherium kraglievichi and is 30% greater than that of X. chaparralensis.
Belongs to Xenastrapotherium according to S. E. Johnson and R. H. Madden 1997
Sister taxa: Xenastrapotherium aequatorialis, Xenastrapotherium chaparralensis, Xenastrapotherium christi, Xenastrapotherium kraglievichi
Type specimen: DGM 574-M, a maxilla (a maxillary fragment with complete M3, including part of the jugal and inferior margin of the orbit)
Ecology: cursorial herbivore
Distribution: found only at Rio Acre (Miocene of Brazil)
Specimen images are retrieved through the ePANDDA API.
Click image to enlarge. Click to access iDigBio record.