Tetragraptus
| Tetragraptus Temporal range: Ordovician
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| Tetragraptus fruticosus | |
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| Tetragraptus approximatus | |
Scientific classification 
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| Domain: | Eukaryota |
| 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.
- T. akzharensis
- T. approximatus
- T. fruticosus
- T. insuetus
Distribution
[edit]Fossils of Tetragraptus have been found in Argentina, Australia, Bolivia, Canada (Quebec, Yukon, Newfoundland and Labrador and Northwest Territories), Chile, China, Colombia (near Caño Cristales, Meta), the Czech Republic, France, Morocco, New Zealand, Norway, the Russian Federation, Spain, Sweden, the United Kingdom, and the United States (Alaska, Idaho, Nevada, Utah).[1]
References
[edit]
- ^ a b Tetragraptus at Fossilworks.org
Further reading
[edit]- Don Lessem & Jan Sovak (1999). Dinosaurs to Dodos: An Encyclopedia of Extinct Animals. Scholastic. ISBN 978-0-590-31684-2.
 | This article related to an Ordovician animal is a stub. You can help Wikipedia by expanding it. |
Categories:
- Graptoloidea
- Graptolite genera
- Ordovician animals of Africa
- Ordovician animals of Asia
- Ordovician animals of Europe
- Ordovician animals of North America
- Ordovician Canada
- Ordovician United States
- Ordovician animals of South America
- Ordovician Argentina
- Ordovician Bolivia
- Ordovician Chile
- Ordovician Colombia
- Fossils of Colombia
- Fossil taxa described in 1863
- Paleozoic life of Newfoundland and Labrador
- Paleozoic life of the Northwest Territories
- Paleozoic life of Quebec
- Ordovician animal stubs