Pliorhinus

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Pliorhinus
Temporal range: Late Miocene–Pliocene
Dihoplus megarhinus skull.jpg
Skull of Pliorhinus megarhinus
Scientific classification OOjs UI icon edit-ltr.svg
Domain: Eukaryota
Kingdom: Animalia
Phylum: Chordata
Class: Mammalia
Order: Perissodactyla
Family: Rhinocerotidae
Subtribe: Rhinocerotina
Genus: Pliorhinus
Pandolfi et al., 2021
Species
  • Pliorhinus megarhinus (de Christol, 1834) (type)
  • Pliorhinus miguelcrusafonti (Guérin & Santafé-Lopis, 1978)
  • Pliorhinus ringstoemi (Arambourg, 1959)

Pliorhinus is an extinct genus of rhinoceros known from the Late Miocene and Pliocene of Eurasia. The type species, Pliorhinus megarhinus, was previously assigned to Dihoplus.

Contents

Taxonomy

The genus was named in 2021 to accommodate two species that had previously been included in a wide variety of rhinoceros genera, including Dihoplus and Stephanorhinus . [1]

Species of Pliorhinus are medium-large sized two horned rhinoceroses, which have a nasal notch located above the molars, and are distinguished from other rhinoceroses by various characters of the teeth. P. megarhinus is noted for having a relatively flat skull roof. [1] Species of Pliorhinus are suggested to be closely related and possibly ancestral to Stephanorhinus. [5]

Morphological phylogeny after Pandolfi (2023), excluding living African rhinoceros species. [5]

Ecology

P. megarhinus is suggested to have been a browser or mixed feeder. [6]

Related Research Articles

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References

  1. 1 2 Pandolfi, Luca; Pierre-Olivier, Antoine; Bukhsianidze, Maia; Lordkipanidze, David; Rook, Lorenzo (2021-08-03). "Northern Eurasian rhinocerotines (Mammalia, Perissodactyla) by the Pliocene–Pleistocene transition: phylogeny and historical biogeography". Journal of Systematic Palaeontology. 19 (15): 1031–1057. Bibcode:2021JSPal..19.1031P. doi:10.1080/14772019.2021.1995907. ISSN   1477-2019. S2CID   244762077.
  2. 1 2 Pandolfi, Luca; Gasparik, Mihály; Piras, Paolo (2015). "Earliest occurrence of "Dihoplus" megarhinus (Mammalia, Rhinocerotidae) in Europe (Late Miocene, Pannonian Basin, Hungary): Palaeobiogeographical and biochronological implications". Annales de Paléontologie. 101 (4): 325–339. Bibcode:2015AnPal.101..325P. doi:10.1016/j.annpal.2015.09.001.
  3. Pandolfi, Luca; Rivals, Florent; Rabinovich, Rivka (January 2020). "A new species of rhinoceros from the site of Bethlehem: 'Dihoplus' bethlehemsis sp. nov. (Mammalia, Rhinocerotidae)". Quaternary International. 537: 48–60. Bibcode:2020QuInt.537...48P. doi:10.1016/j.quaint.2020.01.011. S2CID   213080180.
  4. Li, Shijie; Sanisidro, Oscar; Wang, Shiqi; Yang, Rong; Deng, Tao (March 2024). "New materials of Pliorhinus ringstroemi from the Linxia Basin (Late Miocene, eastern Asia) and their taxonomical and evolutionary implications". Journal of Mammalian Evolution. 31 (1). doi:10.1007/s10914-023-09698-w. ISSN   1064-7554. S2CID   267352083.
  5. 1 2 Pandolfi, Luca (April 2023). "Reassessing the phylogeny of Quaternary Eurasian Rhinocerotidae". Journal of Quaternary Science. 38 (3): 291–294. Bibcode:2023JQS....38..291P. doi:10.1002/jqs.3496. hdl: 11563/163194 . ISSN   0267-8179.
  6. Ballatore, Manuel (2016). "Palaeoecological investigations on Plio-Pleistocene European rhinoceroses (Genus Stephanorhinus): powder X-ray diffraction, carbon isotope geochemistry, tooth wear analyses and biometry". Plinius (42): 16–19. doi:10.19276/plinius.2016.01001. ISSN   1972-1366.