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Hedenstroemia

Extinct genus of cephalopods From Wikipedia, the free encyclopedia

Hedenstroemia is an extinct genus of Early Triassic (Olenekian) cephalopods in the ammonoid order Ceratitida. They were nektonic carnivores.[2]

Phylum:Mollusca
Subclass:†Ammonoidea
Order:†Ceratitida
Quick facts Scientific classification, Species ...
Hedenstroemia
Temporal range: Early Triassic (Olenekian),[1] 251.3–247.2 Ma [2]
Fossil shell of Hedenstroemia tscherskii from Madagascar, on display at Galerie de paléontologie et d'anatomie comparée in Paris
Scientific classification Edit this classification
Kingdom: Animalia
Phylum: Mollusca
Class: Cephalopoda
Subclass: †Ammonoidea
Order: †Ceratitida
Family: †Hedenstroemiidae
Genus: †Hedenstroemia
Waagen, 1895
Species[2]

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Species

  • †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

Fossils of species within this family have been found in the Early Triassic of Afghanistan, Canada, Oman, Pakistan, Russia and United States.[2]

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