Superregnum: Eukaryota
Cladus: Unikonta
Cladus: Opisthokonta
Cladus: Holozoa
Regnum: Animalia
Subregnum: Eumetazoa
Cladus: Bilateria
Cladus: Nephrozoa
Superphylum: Deuterostomia
Phylum: Chordata
Subphylum: Vertebrata
Infraphylum: Gnathostomata
Megaclassis: Osteichthyes
Cladus: Sarcopterygii
Cladus: Rhipidistia
Cladus: Tetrapodomorpha
Cladus: Eotetrapodiformes
Cladus: Elpistostegalia
Superclassis: Tetrapoda
Cladus: Reptiliomorpha
Cladus: Amniota
Cladus: Synapsida
Cladus: Eupelycosauria
Cladus: Sphenacodontia
Cladus: Sphenacodontoidea
Cladus: Therapsida
Cladus: Theriodontia
Subordo: Cynodontia
Infraordo: Eucynodontia
Cladus: Probainognathia
Cladus: Prozostrodontia
Cladus: Mammaliaformes
Classis: Mammalia
Subclassis: Trechnotheria
Infraclassis: Zatheria
Supercohors: Theria
Cohors: Eutheria
Infraclassis: Placentalia
Cladus: Boreoeutheria
Superordo: Laurasiatheria
Cladus: Euungulata
Ordo: Artiodactyla
Cladus: Artiofabula
Cladus: Cetruminantia
Subordo: Ruminantia
Familia: Bovidae
Subfamilia: Bovinae
Genus: Bubalus
Species: †Bubalus cebuensis
Name
Bubalus cebuensis Croft et al., 2006
Vernacular names
中文: 塞布水牛
The Cebu tamaraw (Bubalus cebuensis) is a fossil dwarf buffalo discovered in the Philippines, and first described in 2006.
Anatomy and morphology
The most distinctive feature of B. cebuensis was its small size. Large contemporary domestic water buffalo stand 2 m (roughly 6 ft) at the shoulder and can weigh up to 1 tonne (around 2,000 lb), B. cebuensis would have stood only 75 cm (about 2 ft 6 in) and weighed about 150 to 160 kg (around 300 lb), smaller than another dwarf species B. mindorensis.[1][2]
The fossil specimen is likely Pleistocene or Holocene in age.[1]
Evolutionary history
The fossil was discovered in a horizontal tunnel in soft karst around 50 m elevation in K-Hill near Balamban, Cebu Island, the Philippines, by mining engineer Michael Armas.[3] The fossil was donated to America's Field Museum, where it stayed unanalyzed for almost 50 years.
See also
List of extinct animals of the Philippines
References
Croft, D.A. L. R. Heaney, J. J. Flynn, and A. P. Bautista. 2006. FOSSIL REMAINS OF A NEW, DIMINUTIVE BUBALUS (ARTIODACTYLA: BOVIDAE: BOVINI) FROM CEBU ISLAND, PHILIPPINES. Journal of Mammalogy 87:1037–1051
"New Dwarf Buffalo Discovered By Chance In The Philippines". TerraDaily. October 18, 2006.
New dwarf buffalo discovered by chance in the Philippines, EurekAlert, October 17, 2006
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