Hedenstroemia is an extinct genus of Early Triassic (Olenekian) cephalopods in the ammonoid order Ceratitida. They were nektonic carnivores.[2]
| Hedenstroemia | |
|---|---|
| |
| Fossil shell of Hedenstroemia tscherskii from Madagascar, on display at Galerie de paléontologie et d'anatomie comparée in Paris | |
Scientific classification 
| |
| Domain: | Eukaryota |
| Kingdom: | Animalia |
| Phylum: | Mollusca |
| Class: | Cephalopoda |
| Subclass: | †Ammonoidea |
| Order: | †Ceratitida |
| Family: | †Hedenstroemiidae |
| Genus: | †Hedenstroemia Waagen, 1895 |
| Species[2] | |
Species
edit- †Hedenstroemia evoluta Spath, 1934
- †Hedenstroemia hedenstroemi Keyserling, 1845
- †Hedenstroemia kossmati Hyatt and Smith 1905
- †Hedenstroemia mojsisovicsi Diener 1897
- †Hedenstroemia tscherskii Popov 1939
- †Hedenstroemia waageni Welter 1922
Distribution
editFossils of species within this family have been found in the Early Triassic of Afghanistan, Canada, Oman, Pakistan, Russia and United States.[2]
References
edit- ^ Sepkoski, Jack Sepkoski's Online Genus Database – Cephalopoda
- ^ a b c d "Hedenstroemia". Paleobiology Database. Retrieved 29 June 2022.
- J. Perrin Smith U.S. Lower Triassic Ammonoid of North America pg. 77 Geological Survey Professional Paper
 | This Ceratitida-related article is a stub. You can help Wikipedia by expanding it. |