†order Orthocerida Kuhn 1940 (mollusk)

Cephalopoda - Orthocerida

Alternative spelling: Orthoceratida

Synonyms: Michelinoceratida Flower and Kummel 1950, Sinoceratida Kobayashi 1958

Parent taxon: Orthoceratoidea according to B. Kröger and B. Lefebvre 2012

See also Dzik and Kiselev 1995, Evans 1994, Evans 1994, Evans 1996, Evans 2005, Evans 2011, Frey 1981, Kröger 2008, Kröger 2013, Kröger et al. 2011, Kröger and Evans 2011, Sweet 1964 and Teichert et al. 1964

Sister taxon: Dissidocerida

Subtaxa: Acrosphaerorthoceras Aethiosolen Allumettoceratidae Arionoceratidae Arterioceras Badouceras Baltoceratidae Bogoslovskya Bohemites Cedarvilleoceras Chicagooceras Choanoceratidae Clinoceratidae Coralloceras Cornuella Cryptocycloceras Cycloceras Cycloceratidae Dictyoceras Donacoceras Engorthoceratidae Eskimoceratidae Esopoceras Folioceras Garryoceras Geisonoceratidae Geisonocerina Greenlandoceras Greenlandoceratidae Haruspex Heloceras Jangziceras Joldagiroceras Kionoceratidae Leurocycloceras Lituitina Loxoceras Mericoceras Michelinoceratidae Molossus Murchisoniceras Naivs Narthecoceratidae Nebroceras Neorthoceras Neosichuanoceras Ophidioceras Orthoceratidae Orthoceratina Palaeocycloceras Paradnatoceras Paramooreoceras Plicatoceras Podoliceras Proteoceratidae Protobactrites Pseudokionoceras Pseudorthocerataceae Pseudotemperoceras Pythonoceras Rhabdites Rhipsites Richmondoceras Sannionites Siberioceras Sichuanaceras Sichuanoceratidae Sphaerorthoceratidae Sphaerortoceratidae Standardoceras Striatoceratidae Subspyroceras Tambegiroceras Tartaroceras Tienoceras Tretoceras Tripteroceratidae Trispectes Tunguskoceras Vericeras Zhuralevia

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Ecology: nektonic carnivore

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