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Brno Slatina Czech Republic 49.17 N, 16.67 E Lower Jurassic / Jurassic the images and identifications are provided by Miroslav Bubik |
Spirillina andreae  | Spirillina concava  | Spirillina kuebleri  | Spirillina radiata  | Spirillina sp.  | Spirillina sp.  |