Genus: Neocrioceras Spath, 1921 † (DB: 2 SP, 2 IMG)
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SubFamily: DIPLOMOCERATINAE - Genus: Chesapeakella Kennedy & Cobban, 1993 † (DB: 1 SP, 0 IMG)
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SubFamily: DIPLOMOCERATINAE - Genus: Diplomoceras Hyatt , 1900 † (DB: 3 SP, 0 IMG)
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SubFamily: DIPLOMOCERATINAE - Genus: Glyptoxoceras Spath , 1925 † (DB: 13 SP, 3 IMG)
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SubFamily: DIPLOMOCERATINAE - Genus: Lewyites Collignon, 1971 † (DB: 4 SP, 0 IMG)
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SubFamily: DIPLOMOCERATINAE - Genus: Neancyloceras Spath , 1926 † (DB: 1 SP, 0 IMG)
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SubFamily: DIPLOMOCERATINAE - Genus: Phylloptychoceras Spath , 1953 † (DB: 2 SP, 0 IMG)
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SubFamily: DIPLOMOCERATINAE - Genus: Scalarites Wright & Matsumoto, 1954 † (DB: 3 SP, 2 IMG)
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SubFamily: POLYPTYCHOCERATINAE - Genus: Oxybeloceras Hyatt , 1900 † (DB: 3 SP, 0 IMG)
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SubFamily: POLYPTYCHOCERATINAE - Genus: Polyptychoceras Yabe , 1927 † (DB: 3 SP, 1 IMG)
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SubFamily: POLYPTYCHOCERATINAE - Genus: Pseudoxybeloceras Wright & Matsumoto, 1954 † (DB: 3 SP, 1 IMG)
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SubFamily: POLYPTYCHOCERATINAE - Subgenus: Pseudoxybeloceras (Parasolenoceras) Matsumoto, 1984 † (DB: 3 SP, 0 IMG)
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SubFamily: POLYPTYCHOCERATINAE - Genus: Solenoceras Conrad , 1860 † (DB: 8 SP, 0 IMG)
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SubFamily: POLYPTYCHOCERATINAE - Genus: Spiroxybeloceras Kennedy & Cobban, 1999 † (DB: 2 SP, 0 IMG)
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