Concept information
Preferred term
graptolite
Definition
- Graptolithina is a subclass of the class Pterobranchia, the members of which are known as graptolites. These organisms are colonial animals known chiefly as fossils from the Middle Cambrian (Miaolingian, Wuliuan) through the Lower Carboniferous (Mississippian). They form excellent stratigraphic fossils that are widely used for dating the layers of a large part of the Paleozoic era, having allowed a very detailed analysis of the Silurian strata. (Adapted from: https://en.wikipedia.org/wiki/Graptolithina)
Broader concept
In other languages
-
French
URI
http://data.loterre.fr/ark:/67375/QX8-68RGVL01-P
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