Two sets of orthoconic cephalopods (Upper Ordovician)
Field collection by Camille Martin, April 4, 2022 Note the nummuloid siphuncle in the bottom image -- two "buttons" are visible (circled). A good candidate would be Treptoceras crebriseptum.
Credit
Camille Martin
Copyright
© Camille Martin
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From the album:
Camille's fossils - Georgian Bay Formation
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Photo Information
- Taken with SONY ILCE-7M3
- Focal Length 64 mm
- Exposure Time 10/1
- f Aperture f/13.0
- ISO Speed 200
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