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Genus: Parastrenoceras Ochoterena, 1963 † (DB: 3 SP)
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Parastrenoceras mixtecum
Ochoterena, 1963 † (FOSSIL)
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Parastrenoceras tlaxiacense
Ochoterena, 1963 † (FOSSIL)
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Parastrenoceras oaxacanum Ochoterena, 1963 † =» Parastrenoceras tlaxiacense
Ochoterena, 1963 †
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Parastrenoceras zapotecum
Ochoterena, 1963 † (FOSSIL)
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Genus: Spiroceras Quenstedt, 1856 † (DB: 5 SP)
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Spiroceras annulatum
(G.P. Deshayes, 1835 †) (FOSSIL)
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Spiroceras fourneti
F. Roman & Petoraud, 1927 † (FOSSIL)
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Spiroceras orbignyi
(Baugier & Sauzé, 1843 †) (FOSSIL)
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Spiroceras toxoconicum
Buckman † (FOSSIL)
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Spiroceras waltoni
(Morris) † (FOSSIL)
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