Results 11 to 20 of about 3,630 (50)
Morphological variations and geographic distribution of the rare Middle Jurassic ammonite Oecoptychius refractus [PDF]
Sreepat Jain +3 more
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On the ammonite genus Ophryoceras van Hoepen, 1942, a synonym of Pervinquieria (Pervinquieria) Böhm, 1910, from the Upper Albian of KwaZulu-Natal, South Africa [PDF]
William J. Kennedy +1 more
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Earliest Jurassic (Hettangian) psiloceratoid ammonites from a subrosion pipe at Winterswijk, the eastern Netherlands [PDF]
Adiël A. Klompmaker +1 more
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