Cimolodonta

Lower jaw of Cimexomys, from Palaeos.

Belongs within: Multituberculata.
Contains: Ptilodontoidea.

The Cimolodonta are a group of multituberculate mammals known from the Early Cretaceous to the Eocene, including all multituberculates to survive the end of the Cretaceous (Kielan-Jaworowska & Hurum 2001).

Characters (from Kielan-Jaworowska & Hurum 2001): Enamel prismatic; dental formula 2.0.1–4.2/1.0.1–2.2; I1 absent, I2 single- or two-cusped, I3 small, single-cusped; p1 and p2 absent, p3, if present, peg-like, non-functional; p4 primitively arcuate with oblique ridges, single or no posterobuccal cusp present.

Cimolodonta [Boffiini]
    |–Barbatodon Râdulescu & Samson 1986 K-JH01
    |–Dakotamys Eaton 1995 K-JH01
    |    `–D. malcolmi K-JH01
    |–Bryceomys Eaton 1995 K-JH01
    |    `–B. fumosus K-JH01
    |–Paracimexomys Archibald 1982 K-JH01
    |    |–P. crossi K-JH01
    |    `–P. robinsoni K-JH01
    |–Cimexomys Sloan & van Valen 1965 K-JH0
    |    |–C. antiquus D07
    |    |–C. gratus D07
    |    |–C. gregoryi D07
    |    |–C. hausoi D07
    |    |–C. judithae K-JH01
    |    |–C. magnus D07
    |    `–C. minor D07
    `–+–Boffius Vianey-Liaud 1979 [Boffiidae] K-JH01
       |–Ptilodontoidea K-JH01
       `–Taeniolabidoidea K-JH97
            |–Cimolomyidae K-JH01
            |    |–Meniscoessus Cope 1882 K-JH01
            |    |–Cimolomys Marsh 1889 K-JH01
            |    |–Essonodon Simpson 1927 K-JH01
            |    `–Buginbaatar Kielan-Jaworowska & Sochava 1969 [Buginbaatarinae] K-JH01
            |         `–B. transaltaiensis Kielan-Jaworowska & Sochava 1969 K-JH97
            `–+–Djadochtatherioidea K-JH01
               |–Kogaionidae K-JH01
               |    |–Hainina Vianey-Liaud 1979 K-JH01
               |    `–Kogaionon Râdulescu & Samson 1996 K-JH01
               |–Eucosmodontidae K-JH01
               |    |–Eucosmodon Matthew & Granger 1921 K-JH01
               |    |–Stygimys Sloan & van Valen 1965 K-JH01
               |    `–Clemensodon Krause 1992 K-JH01
               |–Microcosmodontidae K-JH01
               |    |–Microcosmodon Jepsen 1930 K-JH01
               |    |–Pentacosmodon Jepsen 1940 K-JH01
               |    `–Acheronodon Archibald 1982 K-JH01
               `–Taeniolabididae K-JH01
                    |–Prionessus Matthew & Granger 1925 K-JH01
                    |–Sphenopsalis Matthew, Granger & Simpson 1928 K-JH01
                    |–Lambdopsalis Chow & Qi 1978 K-JH01
                    |    `–L. bulla K-JH97
                    |–Catopsalis Cope 1882 K-JH01
                    |    `–C. joyneri K-JH01
                    `–Taeniolabis Cope 1882 K-JH01
                         |–T. lamberti D07
                         |–T. sulcatus D07
                         `–T. taoensis K-JH97

*Type species of generic name indicated

REFERENCES

[D07] Dixon, D. 2007. The Complete Illustrated Encyclopedia of Dinosaurs & Prehistoric Creatures. Hermes House: London.

[K-JH97] Kielan-Jaworowska, Z., & J. H. Hurum. 1997. Djadochtatheria – a new suborder of multituberculate mammals. Acta Palaeontologica Polonica 42 (2): 201–242.

[K-JH01] Kielan-Jaworowska, Z., & J. H. Hurum. 2001. Phylogeny and systematics of multituberculate mammals. Palaeontology 44 (3): 389–429.

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