The earliest mammal of the european paleocene: the multituberculate hainina.



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Peláez-Campomanes de Labra, Pablo and López Martínez, Nieves and Álvarez Sierra, María Ángeles and Daams, Remmert (2000) The earliest mammal of the european paleocene: the multituberculate hainina. Journal of paleontology, 74 (4). pp. 701-711. ISSN 0022-3360

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A new species of multituberculate mammal, Hainina pyrenaica n. sp. is described from Fontllonga-3 (Tremp Basin, Southern Pyrenees, Spain), correlated to the later part of chron C29r just above the K/T boundary. This taxon represents the earliest European Tertiary mammal recovered so far, and is related to other Hainina species from the European Paleocene. A revision of the species of Hainina allows recognition of a new species, H. vianeyae n. sp. from the Late Paleocene of Cernay (France). The genus is included in the family Kogaionidae Ra˜dulescu and Samson, 1996 from the Late Cretaceous of Romania on the basis of unique dental characters. The Kogaionidae had a peculiar masticatory system with a large, blade-like lower p4, similar to that of advanced Ptilodontoidea, but occluding against two small upper premolars, interpreted as P4 and P5, instead of a large upper P4. The endemic European Kogaionidae derive from an Early Cretaceous group with five premolars, and evolved during the Late Cretaceous and Paleocene. The genus Hainina represents a European multituberculate family that survived the K/T boundary mass extinction event.

Item Type:Article
Uncontrolled Keywords:Mammal; Paleocene; Hainina
Subjects:Sciences > Geology > Paleontology
ID Code:69814
Deposited On:26 Jan 2022 12:06
Last Modified:27 Jan 2022 09:10

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