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Genus: Franklinoceras Flower, 1957 † (DB: 1 SP)
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Franklinoceras elongatum
(Flower, 1952 †) (FOSSIL)
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Genus: Madiganella Teichert & Glenister, 1952 † (DB: 1 SP)
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Madiganella magna
Teichert & Glenister, 1952 † (FOSSIL)
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Genus: Ruedemannoceras Flower, 1940 † (DB: 1 SP)
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Ruedemannoceras boycii
(R.P. Whitfield, 1886 †) (FOSSIL)
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Cyrtoceras boycii R.P. Whitfield, 1886 † =» Ruedemannoceras boycii
(R.P. Whitfield, 1886 †)
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Cyrtactinoceras boycii R.P. Whitfield, 1886 † =» Ruedemannoceras boycii
(R.P. Whitfield, 1886 †)
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Cyrtactinoceras champlainense Ruedemann, 1906 † =» Ruedemannoceras boycii
(R.P. Whitfield, 1886 †)
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