Graphoceras (Platygraphoceras) apertum (Buckman,1888)
17cm. Geisingen clay pit. Middle Jurassic. Upper Aalenian, Concavum Zone.
From the album:
Middle Jurassic Ammonites from Southern Germany
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By Ludwigia
17cm. Geisingen clay pit. Middle Jurassic. Upper Aalenian, Concavum Zone.
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