Treptoceras crebriseptum
Treptoceras crebriseptum, Humber River Shale, Old Mill Park, beside the river, 1-2 inches squared.
From the album:
Finds from the Humber River and Birkdale Ravine
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Photo Information
- Taken with Panasonic DMC-FZ30
- Focal Length 7.4 mm
- Exposure Time 1/60
- f Aperture f/2.8
- ISO Speed 100
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