ammonites
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†family Steropodontidae Flannery et al. 1995 (monotreme)

Mammalia - Monotremata

Full reference: T. F. Flannery, M. Archer, T. H. Rich and R. Jones. 1995. A new family of monotremes from the Cretaceous of Australia. Nature 377:418-420

Parent taxon: Monotremata according to Z. Kielan-Jaworowska et al. 2004

Sister taxa: Echidnidae, Hadrocodium, Kollikodontidae, Kryoryctes, Ornithorhynchidae, Platypoda, Tachyglossa, Tachyglossidae

Subtaxa: none

Ecology: scansorial insectivore