Classification of Shevyrev 2006

Cl. Cephalopoda Cuvier 1797
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Or. †Ammonoidea Zittel 1884 [ammonite]
Subcl. Nautiloidea Agassiz 1847 [nautiloid]
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Or. †Lituitida Starobogatov 1983
Subcl. †Bactritoidea Shimanskiy 1951
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Or. †Bactritida Shimanskiy 1951
Subcl. †Ammonoidea Zittel 1884 [ammonite]
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Or. †Ammonitida Hyatt 1889
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Subor. †Ancylocerina
Subor. †Cardiocerina
Subor. †Haplocerina
Subor. †Psilocerina
Subor. †Stephanocerina
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Subor. †Agoniatitina Ruzhencev 1957
Subor. †Anarcestina Miller and Furnish 1954
Subor. †Auguritina
Subor. †Gephurocerina Ruzhencev 1957
Subor. †Prolecanitina Miller and Furnish 1954
Subor. †Timanocerina
Invalid names: Agoniatitida Ruzhencev 1957 [synonym]
Or. †Ceratitida Hyatt 1884 [ceratite]
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Subor. †Arcestina
Subor. †Ceratitina
Subor. †Lobitina
Subor. †Meekocerina
Subor. †Megaphyllitina
Subor. †Otocerina
Subor. †Paraceltitina Shevyrev 1968
Subor. †Pinacocerina
Subor. †Ptychitina
Subor. †Sagecerina
Or. †Clymeniida Sepkoski, Jr. 2002
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Subor. †Clymeniina Hyatt 1884
Subor. †Gonioclymeniina
Or. †Goniatitida Hyatt 1884
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Subor. †Cyclolobina
Subor. †Goniatitina Hyatt 1884
Or. †Lytocerida
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Subor. †Lytocerina
Subor. †Turrilitina
Or. †Tornocerida Wedekind 1918