The type species of Probelesodon is P. lewisi from the Chañares Formation. This species is the best known as many relatively complete specimens have been found. A long secondary palate distinguishes it from other closely related genera such as Belesodon. The molars are multicuspidate and the main cusps curve back. One species, P. sanjuanensis, differs from other species of Probelesodon by such characteristics as a highly arched zygomatic arch and the presence six postcanines.[2] Another species, P. kitchingi was named in 1982 from material found from Rio Grande do Sul, Brazil.[3] P. minor is similar in appearance to the type species and has been found from the same formation. It differs mainly in size, being about half the length of the type species. This size difference is too great to be
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| - The type species of Probelesodon is P. lewisi from the Chañares Formation. This species is the best known as many relatively complete specimens have been found. A long secondary palate distinguishes it from other closely related genera such as Belesodon. The molars are multicuspidate and the main cusps curve back. One species, P. sanjuanensis, differs from other species of Probelesodon by such characteristics as a highly arched zygomatic arch and the presence six postcanines.[2] Another species, P. kitchingi was named in 1982 from material found from Rio Grande do Sul, Brazil.[3] P. minor is similar in appearance to the type species and has been found from the same formation. It differs mainly in size, being about half the length of the type species. This size difference is too great to be
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| - The type species of Probelesodon is P. lewisi from the Chañares Formation. This species is the best known as many relatively complete specimens have been found. A long secondary palate distinguishes it from other closely related genera such as Belesodon. The molars are multicuspidate and the main cusps curve back. One species, P. sanjuanensis, differs from other species of Probelesodon by such characteristics as a highly arched zygomatic arch and the presence six postcanines.[2] Another species, P. kitchingi was named in 1982 from material found from Rio Grande do Sul, Brazil.[3] P. minor is similar in appearance to the type species and has been found from the same formation. It differs mainly in size, being about half the length of the type species. This size difference is too great to be considered sexual dimorphism.[4] The close similarities between all four species have led to recent suggestions that they are synonymous with one another. It has even been suggested that the entire genus is synonymous with Chiniquodon theotonicus.
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