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Genus: Clydoniceras Blake, 1905 † (DB: 4 SP)
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Clydoniceras discus
(J. de C. Sowerby, 1813 †) (FOSSIL)
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Clydoniceras discus blakei
Arkell † (FOSSIL)
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Clydoniceras douglasi
W.J. Arkell, 1951 † (FOSSIL)
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Clydoniceras tegularum
W.J. Arkell, 1951 † (FOSSIL)
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Clydoniceras thrapstonense
W.J. Arkell, 1951 † (FOSSIL)
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Genus: Micromphalites Douvillé, 1916 † (DB: 2 SP)
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Micromphalites micromphalus
(Phillips, 1871) † (FOSSIL)
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Micromphalites pustuliferum
(J.H.F. Douvillé, 1916 †) (FOSSIL)
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Stringoceras pustuliferum J.H.F. Douvillé, 1916 † =» Micromphalites pustuliferum
(J.H.F. Douvillé, 1916 †)
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