Tetragraptus
From Wikipedia, the free encyclopedia
| Tetragraptus Temporal range: Ordovician ~ | |
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| Tetragraptus fruticosus | |
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| Tetragraptus approximatus | |
Scientific classification  | |
| Kingdom: | Animalia |
| Phylum: | Hemichordata |
| Class: | Pterobranchia |
| Order: | †Graptoloidea |
| Family: | †Dichograptidae |
| Genus: | †Tetragraptus Salter, 1863 |
| Species | |
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Tetragraptus is an extinct genus of graptolites from the Ordovician period.
Source:[1]
- T. akzharensis
- T. approximatus
- T. fruticosus
- T. insuetus
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