Hedenstroemiidae

Hedenstroemiidae Temporal range: Triassic (Olenekian), 252.3–242.0 Ma PreꞒ Ꞓ O S D C P T J K Pg N [1]
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 Waagen 1895

Hedenstroemiidae is an extinct family of cephalopods in the ammonoid order Ceratitida. They were nektonic carnivores.^[1]

Genera[]

• Waagen 1895
• Hyatt and Smith 1905
• Hedenstroemia Waagen 1895
• Mesohedenstroemia Chao 1959
• Spath 1934
• Diener 1895
• Mojsisovics 1902 ^[1]

Distribution[]

Fossils of species within this family have been found in the Triassic of Afghanistan, Canada, Oman, Pakistan, Russia and United States.^[1]

References[]

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