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Rusingaceros Temporal range: Early Miocene, 17.5 Ma PreꞒ Ꞓ O S D C P T J K Pg N ↓
Scientific classification
Domain:	Eukaryota
Kingdom:	Animalia
Phylum:	Chordata
Class:	Mammalia
Order:	Perissodactyla
Family:	Rhinocerotidae
Subtribe:	Rhinocerotina
Genus:	†Rusingaceros Geraads, 2010
Type species
†Rusingaceros leakeyi (Hooijer, 1966 [originally Dicerorhinus leakeyi])

Rusingaceros or Dicerorhinus leakeyi is an extinct genus of rhinocerotid known from the Miocene of Rusinga Island, Kenya.^[1]

Discovery

Rusingaceros is known from the holotype KNM-RU 2821, an almost perfectly preserved skull and associated mandible and from the paratype KNM-RU 2822, a maxilla and associated mandible. Both specimen were collected in the early Miocene site (Burdigalian stage) of Rusinga located in Lake Victoria in Kenya, from the Kulu Formation, dating to about 17.5 million years ago. Additional specimens described by Hooijer in 1966 from the Songhor and Napak localities, as well as more recently reported occurrences, are highly fragmentary and based mostly on isolated teeth. Rusingaceros represents the earliest rhino "of modern type, i.e., with a strong nasal and smaller frontal horn". This suggests that Rusingaceros belongs to subtribe Rhinocerotina, within the tribe Rhinocerotini.^[1]

Etymology

Rusingaceros was first named by Denis Geraads in 2010 and the type species is Rusingaceros leakeyi. It was originally described by Hooijer in 1966 as a new species of Dicerorhinus. The generic name is derived from the name of Rusinga Island, and from Greek ceros, "horn", thus, the name means "Rusinga Island's horn". The specific name honors Leakey.^[1]

References

^ ^a ^b ^c Geraads, Denis (2010). "Chapter 34: Rhinocerotidae". In Werdelin, L.; Sanders, W.J (eds.). Cenozoic Mammals of Africa. University of California Press. pp. 675–689. ISBN 978-0-520-25721-4.

Perissodactyla

Kingdom: Animalia
Phylum: Chordata
Class: Mammalia
Order: Perissodactyla

Perissodactyla

Incertae sedis

†Anthracobunia

Radinskya
†Anthracobunidae	Anthracobune Hsanotherium Jozaria Obergfellia
†Cambaytheriidae	Cambaytherium Kalitherium Nakusia Perissobune

†Brontotheriidae

- See Brontotheriidae

Equoidea

Equidae

- See Equidae

†Palaeotheriidae

†Pachynolophinae	Anchilophus Bepitherium Eurohippus Hyracotherium Lijiangia Lophiohippus Lophiotherium Metanchilophus Orolophus Pachynolophus Paranchilophus Propalaeotherium Qianohippus
†Palaeotheriinae	Cantabrotherium Iberolophus Idiodontherium Leptolophus Mekodontherium Metaplagiolophus Palaeotherium Paraplagiolophus Plagiolophus Pseudopalaeotherium

†Hyopsodontidae?

†Phenacodontidae?

Tetraclaenodon
†Meniscotheriinae	Ectocion Meniscotherium
†Phenacodontinae	Almogaver Copecion Eodesmatodon Lophocion Phenacodus

Tapiromorpha

- See below↓

Tapiromorpha

Incertae sedis

†Cambaylophus
†Skopaiolophus

†Isectolophidae

Chowliia Gandheralophus Karagalax Meridiolophus Orientolophus Sastrilophus
†Homogalaxinae	Homogalax
†Isectolophinae	Isectolophus Schizolophodon

†Ancylopoda

- See Ancylopoda

Ceratomorpha

Tapiroidea

†Deperetellidae	Bahinolophus Deperetella Irenolophus Teleolophus
†Helaletidae	Colodon Dilophodon Helaletes Heptodon Heteraletes Paracolodon Plesiocolopirus Thuliadanta? Vastanolophus
Tapiridae	†Eotapirus †Miotapirus †Nexuotapirus †Paratapirus †Plesiotapirus †Protapirus †Tapiravus Tapirus

Rhinocerotoidea

- See below↓

Rhinocerotoidea

Rhinocerotoidea sensu lato

†Breviodon
†Fouchia
†Minchenoletes
†Siamolophus
†Triplopus
†Yimengia

†Indolophidae

Indolophus

Rhinocerotoidea
sensu stricto

†Selenaletes

†Hyrachyidae

Hyrachyus

Amynodon
†Cadurcodontini	Cadurcodon Lushiamynodon Sharamynodon Sianodon
†Metamynodontini	Gigantamynodon Megalamynodon Metamynodon Paramynodon Zaisanamynodon

†Paraceratheriidae

†Forstercooperiinae	Forstercooperia Gobicerops Pappaceras
†Paraceratheriinae	Aralotherium Dzungarotherium Juxia Paraceratherium Urtinotherium

Rhinocerotidae

- See below↓

Rhinocerotidae

†Aceratheriinae

†Elasmotheriinae

Gulfoceras Victoriaceros
†Diceratheriini	Diceratherium Penetrigonias Skinneroceras Subhyracodon Trigonias
†Elasmotheriini	Bugtirhinus Caementodon Elasmotherium Hispanotherium Iranotherium Kenyatherium Meninatherium Menoceras Ninxiatherium Ningxiatherium Ougandatherium Parelasmotherium Procoelodonta Sinotherium Tongxinotherium

Rhinocerotinae

†Teleoceratini

Rhinocerotina

Dicerorhinini	†Coelodonta Dicerorhinus †Dihoplus †Pliorhinus †Stephanorhinus
Dicerotini	Ceratotherium Diceros †Miodiceros †Paradiceros
Rhinocerotini	†Gaindatherium †Nesorhinus Rhinoceros †Rusingaceros

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