Tetragraptidae
| Tetragraptidae Temporal range:
| |
|---|---|
| Scientific classification | |
| Kingdom: | Animalia |
| Phylum: | Hemichordata |
| Class: | Pterobranchia |
| Subclass: | Graptolithina |
| Order: | †Graptoloidea |
| Suborder: | †Dichograptina |
| Family: | †Tetragraptidae Frech, 1897 |
Tetragraptidae is an extinct family of graptolites from the Floian to Darriwilian epochs of the Ordovician Period.[1]
Genera
List of genera from Maletz (2014):[2]
- †Corymbograptus Obut & Sobolevskaya, 1964
- †Paratetragraptus Obut, 1957
- †Pendeograptus Bouček & Přibyl, 1951
- †Phyllograptus Hall, 1858
- †Pseudophyllograptus Cooper & Fortey, 1982
- †Pseudotrigonograptus Mu & Lee, 1958
- †Tetragraptus Salter, 1863
- †Tristichograptus Jackson & Bulman, 1970
References
- ^ Maletz, Jörg (2017). Graptolite Paleobiology. Wiley-Blackwell. ISBN 9781118515617.
- ^ Maletz, Jörg (2014). "The classification of the Pterobranchia (Cephalodiscida and Graptolithina)". Bulletin of Geosciences. 89 (3): 477–540. doi:10.3140/bull.geosci.1465. ISSN 1214-1119.