On the left, two views of a shell of Turritella terebra, a modern-day gastropod. On the right, a fragment of Turrilites costatus, a helical ammonoid from the Cretaceous Period. Illustration from Louis Figuier's The World Before the Deluge, 1867 American
On the left, two views of a shell of Turritella terebra, a modern-day gastropod. On the right, a fragment of Turrilites costatus, a helical ammonoid from the Cretaceous Period. Illustration from Louis Figuier's The World Before the Deluge, 1867 American edition.
Size: 3349px × 3633px
Photo credit: © Photo Researchers / Alamy / Afripics
License: Licensed
Model Released: No
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