Category:Silurian first appearances
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Revision as of 08:51, 31 August 2021 by imported>Steve Marsio (change)
Here is a list of articles in the category Silurian first appearances of the Biology portal. Biological taxa that first appeared during the Silurian Period, the geologic time between 443.8 and 419.2 million years ago, during the Paleozoic Era.
Pages in category "Silurian first appearances"
The following 97 pages are in this category, out of 97 total.
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- Biology:Pachytheca
- Biology:Palaeoniscidae
- Biology:Parakionoceras
- Biology:Paralejurus
- Biology:Parastylonuridae
- Biology:Pasternakevia
- Biology:Pentamerus
- Biology:Phlebolepididae
- Biology:Phragmoceratidae
- Biology:Platyceras
- Biology:Pleurodictyum
- Biology:Polyelasmoceratidae
- Biology:Poraspis
- Biology:Proetus (trilobite)
- Biology:Pseudoniscidae
- Biology:Pseudoniscus
- Biology:Pseudorthoceratidae
- Biology:Pteraspidiformes
- Biology:Pteraspidoidei
- Biology:Pterygotus
