Isograptus
| Isograptus | |
|---|---|
| Scientific classification | |
| Kingdom: | Animalia |
| Phylum: | Hemichordata |
| Class: | Pterobranchia |
| Subclass: | Graptolithina |
| Order: | †Graptoloidea |
| Family: | †Isograptidae |
| Genus: | †Isograptus Moberg, 1892 |
Isograptus is an extinct genus of graptolites from the Ordovician.
References
- Dinosaurs to Dodos: An Encyclopedia of Extinct Animals by Don Lessem and Jan Sovak