Hemiaster lusitanicus (LORIOL, 1888), aboral view with gonopores detail
Hemiaster lusitanicus (LORIOL, 1888), aboral view with apical disc detail, Calcários Apinhoados da Costa D'Arnes formation, Upper Cenomanian, Portugal.
40 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 50 mm
- Exposure Time 1/60
- f Aperture f/4.0
- ISO Speed 640
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