Hedenstroemia
Hedenstroemia is an extinct genus of Early Triassic (Olenekian) cephalopods in the ammonoid order Ceratitida. They were nektonic carnivores.[2]
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| Fossil shell of Hedenstroemia tscherskii from Madagascar, on display at Galerie de paléontologie et d'anatomie comparée in Paris | |
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| Genus: | †Hedenstroemia Waagen, 1895 |
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 Early Triassic of Afghanistan, Canada, Oman, Pakistan, Russia and United States.[2]
References
- J. Perrin Smith U.S. Lower Triassic Ammonoid of North America pg. 77 Geological Survey Professional Paper
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