Tetragraptidae

Tetragraptidae is an extinct family of graptolites from the Floian to Darriwilian epochs of the Ordovician Period.[1]

Tetragraptidae
Temporal range: Floian to Darriwilian
Scientific classification
Kingdom:
Animalia
Phylum:
Hemichordata
Class:
Graptolithina
Order:
Graptoloidea
Family:
Tetragraptidae

Frech, 1897

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
  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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