Tesakoviaspis
Tesakoviaspis concentrica is an extinct species of primitive jawless fish from the Middle Ordovician.[1]
| Tesakoviaspis Temporal range: | |
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| Order: | Tesakoviaspidida |
| Family: | Tesakoviaspididae |
| Genus: | Tesakoviaspis Karatajūtė-Talimaa 1978 ex Karatajūtė-Talimaa & Meredith-Smith 2004 |
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