Macrodelphinus
| Macrodelphinus Temporal range:
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|---|---|
| |
| Macrodelphinus and Eurhinodelphis. | |
Scientific classification 
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| Domain: | Eukaryota |
| Kingdom: | Animalia |
| Phylum: | Chordata |
| Class: | Mammalia |
| Order: | Artiodactyla |
| Suborder: | Whippomorpha |
| Infraorder: | Cetacea |
| Family: | †Eurhinodelphinidae |
| Genus: | †Macrodelphinus Wilson 1935 |
| Species: | †M. kelloggi
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| Binomial name | |
| †Macrodelphinus kelloggi Wilson 1935
| |
Macrodelphinus kelloggi was an orca-sized relative of the cetacean Eurhinodelphis. It lived off the coast of what is now California during the early Miocene. Because of its size, and inch-long teeth, it is believed to have been an apex predator. Macrodelphinus is known from a fragmentary skull from southern California.
References
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