Semionotiformes
Semionotiformes Temporal range: Late Permian-Late Cretaceous | |
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Scheenstia maximus from the Solnhofen Limestone, in South Germany | |
Scientific classification ![]() | |
Kingdom: | Animalia |
Phylum: | Chordata |
Class: | Actinopterygii |
Subclass: | Neopterygii |
Order: | †Semionotiformes Arambourg and Bertini, 1958 |
Families | |
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Semionotiformes ("flag-back form") is an order of primitive, ray-finned, primarily freshwater fish from the Triassic to the Cretaceous. The best-known genus is Semionotus of Europe and North America.
![](../I/m/HadrodusCretaceousIsrael.jpg)
Timeline of genera
![](../I/m/12db625e2736e61ad359c2da12f3f192.png)
References
- Sepkoski, Jack (2002). "A compendium of fossil marine animal genera". Bulletins of American Paleontology. 363: 1–560. Retrieved 2011-05-17.
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