Sigmagraptidae
| Sigmagraptidae | |
|---|---|
| Scientific classification | |
| Kingdom: | |
| Phylum: | Hemichordata
|
| Class: | Graptolithina
|
| Order: | Graptoloidea
|
| Family: | Sigmagraptidae Cooper & Fortey, 1982
|
Sigmagraptidae is an extinct family of graptolites.[1]
Genera[]
List of genera from Maletz (2014):[2]
- † Tzaj, 1969
- † Nicholson & Lapworth, 1875 in Nicholson (1875)
- † Obut & Sennikov, 1984
- † Bouček & Přibyl, 1951
- † Ruedemann, 1904
- †Goniograptus M’Coy, 1876
- † Jin & Wang, 1977
- † Xiao & Chen, 1990
- † Ge, 1988
- † Riva, 1992
- † Skoglund, 1961
- † Cooper & Fortey, 1982
- † Moberg, 1892
- † Obut & Sennikov, 1984
- † Jaanusson, 1965
- † Erdtmann, Maletz & Gutiérrez-Marco, 1987
- † Bouček, 1973
- † Jiao, 1981
- † Williams & Stevens, 1988
- † Rickards & Chapman, 1991
- † Mu, 1974
- † Ruedemann, 1904
- † Li & Ge, 1987 in Li, Ge & Chen (1987)
- † Nicholson, 1876
- † Ni, 1981
- † Chen, Sun & Han, 1964
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.
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Categories:
- Graptolites
- Prehistoric hemichordate families
- Hemichordate stubs