Hedenstroemia
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| Hedenstroemia | |
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| Fossil shell of Hedenstroemia tscherskii from Madagascar, on display at Galerie de paléontologie et d'anatomie comparée in Paris | |
Scientific classification 
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| Kingdom: | Animalia |
| Phylum: | Mollusca |
| Class: | Cephalopoda |
| Subclass: | †Ammonoidea |
| Order: | †Ceratitida |
| Family: | †Hedenstroemiidae |
| Genus: | †Hedenstroemia Waagen, 1895 |
| Species[2] | |
Hedenstroemia is an extinct genus of Early Triassic (Olenekian) cephalopods in the ammonoid order Ceratitida. They were nektonic carnivores.[2]
Species
[edit | edit source]- †Hedenstroemia mojsisovicsi †Hedenstroemia evoluta
- Spath, 1934 Keyserling, 1845
- Diener 1897 †Hedenstroemia tscherskii
- †Hedenstroemia kossmati Popov 1939
- †Hedenstroemia hedenstroemi Hyatt and Smith 1905
- Welter 1922 †Hedenstroemia waageni
Distribution
[edit | edit source]Fossils of species within this family have been found in the Early Triassic of Afghanistan, Canada, Oman, Pakistan, Russia and United States.[2]
References
[edit | edit source]- J. Perrin Smith U.S. Lower Triassic Ammonoid of North America pg. 77 Geological Survey Professional Paper
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