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Showing results for tags 'ludwigella'.
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From the album: Cephalopods Worldwide
Multiblock with 5 Ludwigella sp. Ammonites from the middle Jurassic concavum zone, upper Aalenian on the Isle of Skye. This species is the microconch to Ludwigia murchisonae.- 2 comments
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- aalenian
- ludwigella
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Graphoceras concavum (Sowerby 1815) & Ludwigella sp. (Buckman 1904)
Ludwigia posted a gallery image in Member Collections
From the album: Cephalopods Worldwide
The complete macroconch G.concavum measures 11cm. The Ludwigella sp. is the microconch pendant. From the concavum zone, late Aalenian, middle Jurassic at Bradford Abbas, Dorset, UK.-
- concavum
- graphoceras
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The subgenus Ludwigella is a collective term for what are believed to be microconches for the genus Graphoceras.
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- a643
- achdorf formation
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