Rhinocerotoidea

Rhinocerotoidea; Temporal range: 56–0 Ma PreЄ Є O S D C P T J K Pg N Paleocene-Holocene
	A Black rhinoceros (Diceros bicornis) at the Saint Louis Zoo
Scientific classification
Kingdom:	Animalia
Phylum:	Chordata
Class:	Mammalia
Order:	Perissodactyla
Suborder:	Ceratomorpha
Superfamily:	Rhinocerotoidea

Rhinocerotoidea is a superfamily consisting of three family groups of odd-toed ungulates, two of which, the Amynodontidae and Hyracodontidae, are extinct. The only extant family group is the Rhinocerotidae (true rhinoceroses), which survives as five living species. The extinct members of this superfamily are often called "rhinoceroses" alongside members of the family Rhinocerotidae, though they include genera, such as Paraceratherium, which do not closely resemble modern rhinoceroses.

Taxonomy

The family tree below shows the relationship between Rhinocerotoidea and other groups.[1]

Internal classification of Perissodactyla

Perissodactyla

Tapiromorpha

Isectolophidae (†)

Ancylopoda

	Lophiodontidae (†)

	Chalicotheriidae (†)

Ceratomorpha

Tapiroidea

	Helaletidae (†)

	Tapiridae

Rhinocerotoidea

Amynodontidae (†)

	Hyracodontidae (†)

	Rhinocerotidae

Hippomorpha

Equoidea

	Palaeotheriidae (†)

	Equidae

Brontotherioidea

	Lambdotheriidae (†)

	Brontotheriidae (†)

References

Luke T. Holbrook and Joshua Lapergola (2011). "A New Genus of Perissodactyl (Mammalia) from the Bridgerian of Wyoming, with comments on basal Perissodactyl phylogeny". Journal of Vertebrate Paleontology. 31: 895–901. doi:10.1080/02724634.2011.579669.

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[1] Luke T. Holbrook and Joshua Lapergola (2011). "A New Genus of Perissodactyl (Mammalia) from the Bridgerian of Wyoming, with comments on basal Perissodactyl phylogeny". Journal of Vertebrate Paleontology. 31: 895–901. doi:10.1080/02724634.2011.579669.