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Showing results for tags 'westerna gigantea'.
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From the album: Lime Creek Devonian Rockford Iowa
Varying specimens of Westerna gigantea. Can be VERY EASILY confused with other giant Rockford gastropod species. Took me a while of studying to try to separate it from the others by its tighter coils and keeping its circular/oval interior instead of becoming more flatter. -
From the album: Lime Creek Devonian Rockford Iowa
Reverse side of my largest Westerna gigantea. -
From the album: Lime Creek Devonian Rockford Iowa
My largest Westerna gigantea. Part of the shell is preserved, which is smooth and have no ridges. Compare to Turbonopsis and Floydia its more tightly coiled and lacks the ridges when shell are preserved. Uncommon - I suspect its more due to overharvested as I tend to find more juveniles than adults.