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