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Keywords from Image Description:
Trigoniiddentition. en Trigoniid dentition from the middle Jurassic of Neuqun Argentina own Dhzanette Denticin de trignido Los Pozones Neuqun Formacin Lajas jursico medio millones de aos See it also at google Virtual Museum of Patagonian Fossils Trigonioida fossils Unidentified Bivalvia Nature of Neuqun Province