| Pseudorca yokoyamai Temporal range: Pleistocene
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|---|---|
Scientific classification 
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| Domain: | Eukaryota |
| Kingdom: | Animalia |
| Phylum: | Chordata |
| Class: | Mammalia |
| Order: | Artiodactyla |
| Infraorder: | Cetacea |
| Family: | Delphinidae |
| Genus: | Pseudorca |
| Species: | †P. yokoyamai
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| Binomial name | |
| †Pseudorca yokoyamai Matsumoto, 1926
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Pseudorca yokoyamai is an extinct species of oceanic dolphin from the Calabrian stage of the Pleistocene of Japan, an extinct relative of the modern day false killer whale (P. crassidens).