A new species of multituberculate mammal Uzbekbaatar from the Late Cretaceous of Uzbekistan

• Autorzy: Averianov A
• Języki publikacji: EN

Abstrakty

EN

Multituberculates were dominant mammals in the Late Cretaceous communities of Central Asia (present-day Mongolia), but very rare in the Late Cretaceous faunal assemblages from western Asia (Uzbekistan), where ungulate-like mammals dominated (Nessov et al. 1998). So far only one Late Cretaceous multituberculate taxon Uzbekbaatar kizylkumensis Kielan-Jaworowska & Nessov, 1992 was known from Uzbekistan. Here I describe the second Late Cretaceous multituberculate from the same area, Uzbekbaatar wardi sp. n., based upon an isolated p4 from the ?Santonian Aitym Formation at Dzharakuduk, Central Kyzylkum Desert, Uzbekistan. It differs from the Coniacian Uzbekbaatar kizylkumensis by somewhat derived morphology (larger size, greater number of p4 ridges and serrations).

Słowa kluczowe

EN

holotype; mammal; Late Cretaceous; Uzbekistan; new species; Uzbekbaatar kizylkumensis; morphology; Uzbekbaatar wardi; Uzbekbaatar; Asia; multituberculate mammal

• Wydawca: -
• Czasopismo: Acta Palaeontologica Polonica
• Rocznik: 1999
• Tom: 44
• Numer: 3
• Opis fizyczny: p.301-304,fig.

Twórcy

autor

Averianov A

• Zoological Institute, Russian Academy of Sciences, Universitetskaya nab.1, St.Petersburg 199034, Russia

Bibliografia

• Archibald, J.D., Sues, H.-D., Averianov, A.O., King, C., Ward, D.J., Tsaruk, O.I., Danilov, I.G., Rezvyi, A.S., Veretennikov, B.G., & Khodjaev, A. 1998. Précis of the paleontology, biostratigraphy, and sedimentology at Dzharakuduk (Turonian?-Santonian), KyzylkumDesert, Uzbekistan. In: S.G. Lucas, J.J. Kirkland, & J.W. Estep (eds), Lower to Middle Cretaceous Terrestrial Ecosystems. -Bulletin of the New Mexico Museum of Natural History & Science 14, 21-28.
• Averianov, A.O. 1997. New Late Cretaceous mammals of southern Kazakhstan. - Acta Palaeontologica Polonica 42, 243-256.
• Kielan-Jaworowska, Z. & Nessov, L.A. 1992. Multituberculate mammals from the Cretaceous of Uzbekistan. - Acta Palaeontologica Polonica 37, 1-17.
• Nessov, L.A. 1997. Cretaceous Nonmarine Vertebrates of Northern Eurasia [in Russian]. 218 pp. L.B. Golovneva & A.O. Averianov (eds). University of Sankt Petersburg, Institute of Earth Crust, Sankt Petersburg.
• Nessov, L.A., Archibald, J.D., & Kielan-Jaworowska, Z. 1998. Ungulate-like mammals from the Late Cretaceous of Uzbekistan and a phylogenetic analysis of Ungulatomorpha. In: C.K. Beard & M.R. Dawson (eds), Dawn of the Age of Mammals in Asia. -Bulletin of Carnegie Museum of Natural History 34, 40-88.