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Tornoceras

Tornoceras
Temporal range: Middle Devonian - late Devonian
Scientific classification
Kingdom: Animalia
Phylum: Mollusca
Class: Cephalopoda
Subclass: Ammonoidea
Order: Goniatitida
Family: Tornoceratidae
Subfamily: Tornoceratinae
Genus: Tornoceras
Hyatt, 1884
Species
  • see text

Tornoceras is a strongly involute, subdiscoidal Middle and Upper Devonian goniatite with a suture that forms six to ten lobes.

Aulatornoceras, Protornoceras, Epitornoceras, Lobotornoceras are among related genera included in the Tornoceratidae. Inclusion however varies from classification to classification.


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Wikipedia

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