Allotherians

DESCRIBER    Marsh, 1879
TIME    Jurassic Late
CLASS    Mammalia
SUBCLASS    Allotheria
ORDER    Multituberculata
SUBORDER    Plagiaulacida
FAMILY    Allodontidae
FOSSILSITE    Como Quarry, Morrison Formation, Wyoming, United States
INFO
Ctenacodon serratus (Marsh, 1879 ) > Ctenacodon laticeps  (Marsh, 1881) > Ctenacodon scindens (Simpson, 1928) > Ctenacodon sp. (Simpson, 1928 / Engelmann & Callison, 1998 / Engelmann, 2004 )

\'comb tooth\'  Synonym: Alodon laticeps (Marsh, 1881 partim) Differs from Psalodon in structure of the upper premolars. Holotype, collected by Reed W.H. in 1880.

Simpson (1927), \"Mesozoic Mammalia. VII. Taxonomy of Morrison multituberculates\". Am. J. Sci. (5) xiv, p.36-38.
Kielan-Jaworowska Z. and Hurum J.H. (2001), \"Phylogeny and Systematics of multituberculate mammals\". Paleontology 44, p.389-429.
Marsh (1879), \"Notice of new Jurassic mammals\". Amer. J. of Sci., 3pp., xviii.