Cardiograptus
| Cardiograptus | |
|---|---|
| Scientific classification | |
| Kingdom: | Animalia |
| Phylum: | Hemichordata |
| Class: | Pterobranchia |
| Subclass: | Graptolithina |
| Order: | †Graptoloidea |
| Family: | †Isograptidae |
| Genus: | †Cardiograptus Harris & Keble in Harris, 1916 |
Cardiograptus is a genus of graptolite, which is easily recognised even when poorly preserved by the form of the thecae.[1]
References
- ^ Richard A. Fortey, Yuandong Zhang & Claire Mellish (2005). "The relationships of biserial graptolites". Palaeontology. 48 (6): 1241–1272. doi:10.1111/j.1475-4983.2005.00510.x.