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| Mucrospirifer arkonensis on matrix Arkona, Ontario (Click on image for larger view) |
| Mucrospirifer sp. Most M. thedfordensis (=M. mucronatus?) Arkona, Ontario |
| Horn Corals Zaphrentis prolifica Hungry Hollow Formation Arkona, Ontario |
| Greenops trilobite tail & bryozoan Arkona, Ontario |
| Mucrospirifer mucronatus on matrix Silica Shale, Sylvania, OH |
Horn Coral Heliophylum (?) Silica Shale, Sylvania, OH |
| Paraspirifer bownockeri (pyritized) Silica Shale, Sylvania, OH |
| Paraspirifer bownockeri (pyritized) Silica Shale, Sylvania, OH |
| Paraspirifer bownockeri (pyritized) with epifauna Silica Shale, Sylvania, OH |
| Paraspirifer bownockeri (pyritized) with epifauna Silica Shale, Sylvania, OH |
| Paraspirifer bownockeri (pyritized) with epifauna Silica Shale, Sylvania, OH |
| Pseudoatrypa sp. Silica Shale, Sylvania, OH |
| Strophodonta sp. brachiopod with Aulopora sp. epifauna Silica Shale, Sylvania, OH |
| Spinocertia sp. brachiopod Silica Shale, Sylvania, OH |
| Spinocertia sp. brachiopod Silica Shale, Sylvania, OH |
Spinocertia sp. Silica Shale, Sylvania, OH Rare and unusual specimen: Extremely large specimen With exceptionally long "wings." New species? |