Prosantorhinus Heissig 1974

Genus Prosantorhinus Heissig, 1974 Type species: Prosantorhinus germanicus (Wang, 1929). Other species: Prosantorhinus douvillei (Osborn, 1900), P. laubei Heissig and Fejfar, 2007, P. shahbazi (Pilgrim, 1910), and P. yei sp. nov .. Revised diagnosis: Small- to medium-sized teleoceratines with concave dorsal skull profile and elevated nasals. The nasal extremity is thickened, enlarged, and roughened, which would support a small horn. The nasal incision is high and short. The zygomatic arches are high. Compared with the upper molars, the upper premolars are shortened. The crochet on the upper premolars usually presents two or more folds. M3 has a triangular outline and short distal cingulum. The cement on the buccal tooth walls is developed, but incomplete. The postcranials are robust. Manus tetradactyl to tridactyl. The second metatarsal with proximal articular facet shortened from the rear by a foramen nutritium (Cerdeño 1996, Heissig 2017). Distribution: Early to Middle Miocene (MN 2–7/8), western and central Europe, as well as southern and eastern Asia.