| Eotitanosuchus Temporal range: Wordian,
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|---|---|
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| Life restoration of Eotitanosuchus olsoni | |
Scientific classification 
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| Domain: | Eukaryota |
| Kingdom: | Animalia |
| Phylum: | Chordata |
| Clade: | Synapsida |
| Clade: | Therapsida |
| Suborder: | †Biarmosuchia |
| Family: | †Eotitanosuchidae |
| Genus: | †Eotitanosuchus Tchudinov, 1960 |
| Species: | †E. olsoni
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| Binomial name | |
| †Eotitanosuchus olsoni Tchudinov, 1960
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| Synonyms | |
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Eotitanosuchus ("dawn giant crocodile") is an extinct genus of biarmosuchian therapsids whose fossils were found in the town of Ochyor in Perm Krai, Russia. It lived about 267 million years ago. The only species is Eotitanosuchus olsoni.