Acanthodes sulcatus - pectoral fine spine
Acanthodes sulcatus (7cm)
Upper Carboniferous, Westphalian A
Central Belt of Scotland
310 mya
Photo Information
- Taken with PENTAX RICOH IMAGING PENTAX WG-3
- Focal Length 5.5 mm
- Exposure Time 1/45
- f Aperture f/2.3
- ISO Speed 640
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