Steropodon is a genus of prehistoric platypus-like monotreme, or egg-laying mammal. It contains a single species, Steropodon galmani, that lived about...

family of early monotreme mammals known from the Cretaceous of Australia. Steropodon was initially placed in the crown group monotreme family Ornithorhynchidae...

†Steropodontidae Genus †Parvopalus Species †Parvopalus clytiei Genus †Steropodon Species †Steropodon galmani Family †Teinolophidae Genus †Stirtodon Species †Stirtodon...

the Griman Creek Formation, including Dharragarra, Opalios, Parvopalus, Steropodon, and Stirtodon. Kollix is an ancient Greek word (κολλίξ) for a bread roll...

migrated there across Antarctica from Australia. Another two genera, Steropodon and Teinolophos, were originally thought to belong to the Ornithorhynchidae...

to the m2 of Steropodon. The trigonid is compressed and the talonid has no basin. The dentary is about one sixth the size of Steropodon's, and wear facets...

were described in the same publication as Opalios—as well as Kollikodon, Steropodon, and Stirtodon. Flannery, Timothy F.; McCurry, Matthew R.; Rich, Thomas...

Formation, including Dharragarra, Kollikodon, Opalios, Parvopalus, and Steropodon. Rich, Thomas H.; Flannery, Timothy F.; Vickers-Rich, Patricia (2020)...

related to extant monotremes than to co-occurring early monotremes such as Steropodon and Kollikodon. Opalios, the only described member of the extinct family...

known from Pliocene-aged strata. The extinct monotremes Teinolophos and Steropodon from the Cretaceous were once thought to be closely related to the modern...