| Steropodontids Temporal range: Late Cretaceous (Cenomanian),
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| Steropodon dentary | |
Scientific classification 
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| Domain: | Eukaryota |
| Kingdom: | Animalia |
| Phylum: | Chordata |
| Class: | Mammalia |
| Order: | Monotremata |
| Family: | †Steropodontidae Archer, Flannery, Ritchie, & Jones, 1995 |
| Type genus | |
| Steropodon Archer, Flannery, Ritchie, & Molnar, 1985
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| Genera | |
Steropodontidae is an extinct family of early monotreme mammals known from the Cretaceous of Australia.