Kogaionidae is a family of fossil mammals within the extinct order Multituberculata. Representatives are known from the upper Cretaceous and the Paleocene of Europe. This family is part of the suborder Cimolodonta. Other than that, their systematic relationships are hard to define.
These small multituberculates were named by Rădulescu R. and Samson P. in 1996, who stated they
- "Share with Taeniolabidoidea the general shape of the skull, with anterior part of zygomatic arches directed roughly transversely and very short basicranial region, which gives the skull a square-like appearance, but differ from them in having a strongly elongated snout and different dentition," (Kielan-Jaworowska & Hurum 2001, p.418).
- Rădulescu and Samson (1996), "The first multituberculate skull from the Late Cretaceous (Maastrichtian) of Europe (Hateg Basin, Romania)". Anuarul Institutului de Geologie al României, Supplement 1 69, p. 177-178.
- Kielan-Jaworowska Z & Hurum JH (2001), "Phylogeny and Systematics of multituberculate mammals". Paleontology 44, p. 389-429.
- Much of this information has been derived from  MESOZOIC MAMMALS: "basal" Cimolodonta, Cimolomyidae, Boffiidae and Kogaionidae, an Internet directory.
- Campomanes, P. PelÁez; N. LÓpez-MartÍnez, M.A. Álvarez-Sierra and R. Daams (July 2000). "THE EARLIEST MAMMAL OF THE EUROPEAN PALEOCENE: THE MULTITUBERCULATE HAININA". Journal of Paleontology 74 (4): 701–711. doi:10.1666/0022-3360(2000).
- Codrea, Vlad; Smith, Thierry; Dica, Paul; Folie, Annelise; Garcia, Géraldine; Godefroit, Pascal; Van Itterbeeck, Jimmy (2002). "Dinosaur egg nests, mammals and other vertebrates from a new Maastrichtian site of the Haţeg Basin (Romania)". Comptes Rendus Palevol 1 (3): 173–180. doi:10.1016/S1631-0683(02)00021-0. ISSN 1631-0683.
- Pereda-Suberbiola, Xabier (January 2009). "Biogeographical affinities of Late Cretaceous continental tetrapods of Europe: a review". Bulletin de la Société Géologique de France 180 (1): 57–71. doi:10.2113/gssgfbull.180.1.57.
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