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Temporal range: Lower Cretaceous
Steropodon BW.jpg
Scientific classification
Kingdom: Animalia
Phylum: Chordata
Class: Mammalia
Order: Monotremata
Family: Steropodontidae
Genus: Steropodon
Binomial name
Steropodon galmani

Steropodon galmanii was a prehistoric species of monotreme, or a egg-laying mammal, that lived during the Mesozoic, in the Lower Cretaceous period. It is the second-earliest known relative of the platypus: the earlist is called Teinolophos.

References[change | change source]

  • Archer M. et al 1985. First Mesozoic mammal from Australia – an early Cretaceous monotreme. Nature 318: 363-366.