Superregnum: Eukaryota
Cladus: Unikonta
Cladus: Opisthokonta
Cladus: Holozoa
Regnum: Animalia
Subregnum: Eumetazoa
Cladus: Bilateria
Cladus: Nephrozoa
Cladus: Protostomia
Cladus: Spiralia
Cladus: Lophotrochozoa
Phylum: Mollusca
Classis: Cephalopoda
Subclassis: † Ammonoidea
Ordo: †Goniatitida
Subordo: Tornoceratatina
Superfamilia: Tornocerataceae
Familia: Tornoceratidae
Subfamilia: Tornoceratinae
Genus: Tornoceras
Species: T. arcuatum – T. buttsi – T. typum
Name
Tornoceras Sepkoski, 2002
References
The Paleobiology Database Accessed 11/23/08
Tornoceras is a strongly involute, subdiscoidal Middle and Upper Devonian goniatite with a suture that forms six to ten lobes.[1]
Aulatornoceras, Protornoceras, Epitornoceras, Lobotornoceras are among related genera included in the Tornoceratidae. Inclusion however varies from classification to classification.[1][2][3]
References
Arkell, W.J.; Kummel, B.; Wright, C.W. (1957). Mesozoic Ammonoidea. Treatise on Invertebrate Paleontology, Part L, Mollusca 4. Lawrence, Kansas: Geological Society of America and University of Kansas Press.
Goniat- Tornoceratidae
The Paleobiology Database Tornoceratidae
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