Allacerops

Allacerops is an extinct genus of odd-toed ungulate belong to the rhinoceros-like family Eggysodontidae. It was a small, ground-dwelling browser, and fossils have been found in Oligocene deposits throughout Central and East Asia.

Allacerops
Temporal range: Oligocene, 33.9–23.03 Ma
Illustration of Allacerops turgaica
Scientific classification
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Allacerops

Wood, 1932
Species
  • A. turgaica (Borissiak, 1915) (type)

Allacerops was synonymized with Eggysodon by Heissig (1989), but is now considered a distinct genus.[1][2][3][4] Unaware that Wood (1932) made turgaica the type species of Allacerops, Reshetov et al. (1993) erected Tenisia for "Epiaceratherium" turgaica. Tenisia, however, was already in use for a brachiopod, so Spassov (1994) erected Teniseggysodon as a replacement. In any case, Qiu et al. (1999) recognized Teniseggysodon a junior objective synonym of Allacerops as both were based on the same type species.[5][6][7]

References

  1. Heissig, K., 1989. Rhinocerotidae. In D. R. Prothero and R. M. Schoch, (eds.), The evolution of perissodactyls, pp.399-417. New York: Oxford Univ. Press.
  2. B.-Y. Wang and Z.-X. Qiu. 2004. Discovery of early Oligocene mammalian fossils from Danghe area, Gansu, China. Vertebrata PalAsiatica 42(2):130-143
  3. B. Bai and Y.-Q. Wang. 2012. Proeggysodon gen. nov., a primitive Eocene eggysodontine (Mammalia, Perissodactyla) from Erden Obo, Siziwangqi, Nei Mongol, China. Vertebrata PalAsiatica 50(3):204-218
  4. H. Wang, B. Bai, J. Meng and Y. Wang. 2016. Earliest known unequivocal rhinocerotoid sheds new light on the origin of Giant Rhinos and phylogeny of early rhinocerotoids. Scientific Reports 6:39607:1-9
  5. Reshetov, V., Spassov, N., and Baishashov, B., 1993. Tenisia gen. nov.: Taxonomic revaluation of the Asian Oligocene Rhinocerotoid Eggysodon turgaicum (Borissiak, 1915) (Mammalia, Perissodactyla, Hyracodontidae). Geobios 26(3): 715–722.
  6. Qiu Zhan-xiang; Wang Ban-yue, 1999. Allacerops (Rhinocerotoidea, Perissodactyla) its discovery in China and its systematic position. Vertebrata PalAsiatica 37 (1): 48-61, pl.1
  7. Spassov, N., 1994. Teniseggysodon nom. nov. pro Tenisia Reshetov, Spassov, Baishashov, 1993 (Mammalia, Perissodactyla, Hyracodontidae). Geobios, 27(2):220.


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