Heterodiadema libycum with scrobicular spines
Heterodiadema libycum (DESOR, 1846) with scrobicular spines, Calcários Apinhoados da Costa D'Arnes formation, Upper Cenomanian, Portugal.
35 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 33 mm
- Exposure Time 1/60
- f Aperture f/4.5
- ISO Speed 400
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