Perisalenia hemicidaroides ( Wright 1851)
By Ludwigia
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Synonym Acrosalenia. 23mm. diameter. With Aristotele's Lantern. Bathonian, middle Jurassic. From Landaville, Vosges, France.
Photo Information
- Taken with Canon Canon PowerShot SX230 HS
- Focal Length 5 mm
- Exposure Time 1/30
- f Aperture f/3.1
- ISO Speed 100
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