| Tesakoviaspis Temporal range:  | |
|---|---|
| Scientific classification | |
| Kingdom: | |
| Phylum: | |
| Class: | |
| Subclass: | |
| Order: | Tesakoviaspidida | 
| Family: | Tesakoviaspididae | 
| Genus: | Tesakoviaspis Karatajūtė-Talimaa 1978 ex Karatajūtė-Talimaa & Meredith-Smith 2004 | 
| Species | |
| 
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Tesakoviaspis concentrica is an extinct species of primitive jawless fish from the Middle Ordovician.[1]
References
- ↑ Karatajute-Talimaa & Meredith Smith (2004). "Tesakoviaspis concentrica". BioLib.
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