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Tetragraptidae

From Wikipedia, the free encyclopedia

Tetragraptidae
Temporal range: FloianDarriwilian
Scientific classification
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Family:
Tetragraptidae

Frech, 1897

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

Genera

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

References

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  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.