Orthopsis sp. Interambulacral view
Orthopsis sp., probably Orthopsis granularis (AGASSIZ, 1846), Calcários Apinhoados da Costa D’Arnes formation, Upper Cenomanian, Portugal.
11 mm.
From the album:
Echinoidea from Calcários Apinhoados da Costa D'Arnes formation
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Photo Information
- Taken with Canon Canon EOS 550D
- Focal Length 55 mm
- Exposure Time 1/100
- f Aperture f/5.6
- ISO Speed 640
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