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Tertiapatus Temporal range: Eocene–Miocene  | 
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| Scientific classification | |
| Kingdom: | Animalia | 
| Phylum: | Onychophora | 
| Class: | Udeonychophora | 
| Order: | †Ontonychophora | 
| Family: | 
†Tertiapatidae Poinar, 2000  | 
| Genus: | 
†Tertiapatus Poinar, 2000  | 
| Species: | †T. dominicanus | 
| Binomial name | |
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Tertiapatus dominicanus Poinar, 2000  | 
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Tertiapatus dominicanus is an extinct species of onychophoran known from Dominican amber deposits.