Annularia whorl
Form Species - Annularia stellata
Shelburn Formation - Middle Pennsylvanian
Chieftain Mine (Fowler Park) - Vigo County, IN
Length: 35mm
Copyright
© Andrew Hoffman
Photo Information
- Taken with Canon Canon EOS DIGITAL REBEL XSi
- Focal Length 55 mm
- Exposure Time 1/200
- f Aperture f/14.0
- ISO Speed 400
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