Anisograptidae

Anisograptidae is an extinct family of graptolites. As the first planktic graptolites, they play a crucial role for understanding the transition of graptolites from ocean floor suspension feeders to ocean surface plankton during the early Ordovician.[1]

Anisograptidae
Scientific classification
Kingdom:
Animalia
Phylum:
Hemichordata
Class:
Graptolithina
Order:
Graptoloidea
Family:
Anisograptidae

Bulman, 1950
Synonyms

Anisograptids can be quadriradiate (Rhabdinopora, Staurograptus), triradiate (Anisograptus, Triograptus), or biradiate (Adelograptus, Kiaerograptus).[1]

Genera

List of genera from Maletz (2014):[2]

  • †Adelograptus Bulman, 1941
  • †Aletograptus Obut & Sobolevskaya, 1962
  • †Ancoragraptus Jackson & Lenz, 2003
  • †Anisograptus Ruedemann, 1937
  • †Aorograptus Williams & Stevens, 1991
  • †Araneograptus Erdtmann & VandenBerg, 1985
  • †Bryograptus Lapworth, 1880
  • †Chigraptus Jackson & Lenz, 1999
  • †Choristograptus Legrand, 1964
  • †Damesograptus Jahn, 1892
  • †Dictyodendron Westergård, 1909
  • †Dictyograptus Hopkinson, 1875 in Hopkinson & Lapworth (1875)
  • †Dictyograptus Westergård, 1909
  • †Diphygraptus Zhao & Zhang, 1985
  • †Graptopora Salter, 1858
  • †Heterograptus Zhao & Zhang in Lin, 1986
  • †Holopsigraptus Zhao & Zhang, 1985
  • †Hunjiangograptus Zhao & Zhang, 1985
  • †Hunnegraptus Lindholm, 1991
  • †Kiaerograptus Spjeldnaes, 1963
  • †Muenzhigraptus Zhao & Zhang, 1985
  • †Neoclonograptus Zhao & Zhang, 1985
  • ? †Nephelograptus Ruedemann, 1947
  • †Paraclonograptus Zhao & Zhang, 1985
  • †Paratemnograptus Williams & Stevens, 1991
  • †Phyllograpta Angelin, 1854
  • †Psigraptus Jackson, 1967
  • †Radiograptus Bulman, 1950
  • †Rhabdinopora Eichwald, 1855
  • †Sagenograptus Obut & Sobolevskaya, 1962
  • †Staurograpsus Emmons, 1855
  • ? †Stellatograptus Erdtmann, 1967
  • †Toyenograptus Li, 1984
  • †Triograptus Monsen, 1925
  • †Triramograptus Erdtmann, 1998 in Cooper et al. (1998)
  • †Yukonograptus Lin, 1981

References
  1. Maletz, Jörg (2017). Graptolite Paleobiology. Wiley-Blackwell. ISBN 9781118515617.
  2. 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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