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Anconodon Anconodon is a mammal genus from the Paleocene of North America, and thus lived just after ‘the age of the dinosaurs'. It was a member of the extinct order of Multituberculata. it's within the Suborder of Cimolodonta, and possibly the family Cimolodontidae. Genus: Anconodon Jepsen GL, 1940 Aka: Ectopodon Russell, 1967; Ectypodus (partly); Liotomus (partly); Ptilodus (partly) Species: Anconodon cochranensis (Russell, 1929) Van Valen & Sloan, 1966 Aka: A. russelli (Simpson, 1935) Jepsen, 1940; Ectopodon cochranensis Russel, 1967; Ectypodus cochranensis Simpson, 1937a; Ectypodus russelli Simpson, 1935d; Liotomus russelli; Ptilodus cochranensis Russell, 1929 Place: Alberta & Montana & Wyoming Country: Canada & USA Age: Tiffanian, Middle-Upper Paleocene Has been cited as a descendant of A. gidleyi. The holotype is in the University of Alberta collection. Body mass of about two standard mice, (55g). Species: Anconodon gidleyi (Simpson GG, 1935) Jepsen GL, 1940 Aka: A. gibleyi; Ptilodus?gidleyi Simpson, 1935d Place: Gidley Quarry, Montana & Wyoming & New Mexico & Alberta Country: USA & Canada Age: Torrejonian (Middle-Upper Paleocene) Cited as a possible descendant of Cimolodon nitidus. Species: Anconodon lewisi Sloan RE, 1987 Place: Keefer Hill, Wyoming & Douglass Quarry, Montana Country: USA Age: Middle-Upper Paleocene The holotype is from Wyoming. References Simpson (1935), New Paleocene mammals from the Fort Union of Montana. Proc. US Nation. Museum 83, p.221-244. Reference: Jepsen (1940), Paleocene faunas of the Polecat Bench formation, Park County, Wyoming. Pro. Amer. Philos. Soc, 83, p.217-340, 21 figs., 5pls. 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 http://home.arcor.de/ktdykes/ptilodon.htm MESOZOIC MAMMALS; Ptilodontoidea, an Internet directory.
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