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Zygospira erratica
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Zygospira erratica. These two are set on a limestone hash plate with an orthocone to the left. Both are the same species and have an obvious sulcus. Mimico creek, Toronto, late Ordovician, Georgian Bay formation.
Edit: I also have found a massive slab of limestone that had a death assemblage of these brachiopods . I forgot to take photos though :P, and I'm not sure if the slab is still there.


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From the album:

Urban Fossils of Toronto (Georgian Bay Formation, Lower Member)

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Photo Information for Zygospira erratica

Taken with SK communications Cymera

  • 3.7 mm
  • 1/30
  • f f/2.6
  • ISO 250
View all photo EXIF information

Recommended Comments

they look like herbetella to me (I call them 'herby's') Good finds in any case!

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