Genus: Maderia Imlay , 1938 † (DB: 3 SP, 0 IMG)
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Genus: Mexicanoceras Imlay , 1938 † (DB: 2 SP, 0 IMG)
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SubFamily: OLCOSTEPHANINAE - Genus: Ceratotuberculus Imlay , 1938 † (DB: 1 SP, 0 IMG)
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SubFamily: OLCOSTEPHANINAE - Genus: Olcostephanus Neumayr , 1875 † (syn: Astieria, Rogersites, Holcostephanus - DB: 30 SP, 5 IMG)
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SubFamily: OLCOSTEPHANINAE - Subgenus: Olcostephanus (Jeannoticeras) Aguirre-Urreta & Rawson, 2001 † (DB: 2 SP, 1 IMG)
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