Genus: Orthoceras Breynius, 1832 † (syn: Orthoceratites, Orthoceros - DB: 80 SP, 35 IMG)
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Genus: Orthocycloceras Barskov, 1972 † (DB: 2 SP, 1 IMG)
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Genus: Oxfordoceras Ulrich & al., 1944 † (DB: 2 SP, 0 IMG)
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Genus: Palorthoceras Kröger & al., 2007 † (DB: 2 SP, 0 IMG)
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Genus: Pojetoceras Frey , 1995 † (DB: 1 SP, 0 IMG)
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Genus: Pseudospyroceras Kröger , 2008 † (DB: 1 SP, 0 IMG)
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Genus: Striatocycloceras Kröger & Isakar, 2006 † (DB: 5 SP, 0 IMG)
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