Hedenstroemia
| Hedenstroemia Temporal range: Triassic (Olenekian),[1] 251.3–247.2 Ma | |
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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 | |
| Kingdom: | Animalia |
| Phylum: | Mollusca |
| Class: | Cephalopoda |
| Subclass: | Ammonoidea |
| Order: | Ceratitida |
| Family: | Hedenstroemiidae [2] |
| Genus: | Hedenstroemia Waagen 1895 |
Hedenstroemia is an extinct genus of cephalopods in the ammonoid order Ceratitida. They were nektonic carnivores.[2]
Species
- Hedenstroemia evoluta Spath 1934
- Hedenstroemia hedenstroemi Keyserling 1845
- Hedenstroemia tscherskii Popov 1939 (Synonym Hedenstroemia mojsisovicsi
Distribution
Fossils of species within this family have been found in the Triassic of Afghanistan, Canada, Oman, Pakistan, Russia and United States.[2]
References
- ↑ Sepkoski, Jack Sepkoski's Online Genus Database – Cephalopoda
- 1 2 3 4 5 The Paleobiology Database
- J. Perrin Smith U.S. Lower Triassic Ammonoid of North America pg. 77 Geological Survey Professional Paper
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