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Locale: Quế Phong District
Locale: Berbes Mining Area
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Teeth attributed to Ricardoestesia are among the most intriguing fossils from this ancient ecosystem because paleontologists are still debating exactly what kind of animal they belonged to
and elestial triangles catching the light from different angles
Eutrephoceras dekayi with Hoploscaphites- Pierre Shale, Montana | River Walkers Minerals Phantom quartz Locale: Quế Phong DistrictLocale: Pierre Shale Formation, Glendive, Montana, USA Age: Late Cretaceous (~7080 million years old) Dimensions: 1045g, 5 x 4. 5 x 3. 2 An impressive natural association from the famous Pierre Shale of eastern Montana, this specimen features a large Eutrephoceras dekayi preserved in matrix alongside several smaller Hoploscaphites ammonites and numerous marine shell fossils. The dark shell of the nautiloid contrasts beautifully with lighter calcite
