File:Aulopora microbuccinata corals encrusting a Paraspirifer bownockeri brachiopod (Silica Shale, Middle Devonian; Medusa Cement Quarry, Sylvania, Ohio, USA) 3 (34815441404).jpg
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| Description |
Aulopora microbuccinata Watkins, 1959 encrusting Paraspirifer bownockeri Stewart, 1927 - colonial coral encrusting a brachiopod from the Devonian of Ohio, USA. Auloporids are a group of extinct tabulate corals. They consist of calcareous colonies of hard substrate-encrusting, trumpet-shaped corallites. They first appear in the Ordovician and go extinct in the Permian. The auloporids shown above are encrusting a moderately large spiriferid brachiopod from Ohio's famous Silica Shale. Both the brachiopod and the corals have been pyritized and/or coated with pyrite. Pyritization is a type of fossil replacement, involving the dissolution of the original hard parts of an organism, followed by crystallization of another mineral in their place - in this case, pyrite (FeS2 - iron sulfide) ("fool's gold"). Pyritization and pyrite coatings are common in the Silica Shale. Classification of corals: Animalia, Cnidaria, Anthozoa, Tabulata, Auloporidae Classification of brachiopod: Animalia, Brachiopoda, Articulata (a.k.a. Rhynchonelliformea), Spiriferida, Hysterolitidae Stratigraphy: Silica Shale (Silica Formation), Middle Devonian Locality: Medusa Cement Quarry, Sylvania, northwestern Lucas County, northwestern Ohio, USA |
| Date | |
| Source | Aulopora microbuccinata corals encrusting a Paraspirifer bownockeri brachiopod (Silica Shale, Middle Devonian; Medusa Cement Quarry, Sylvania, Ohio, USA) 3 |
| Author | James St. John |
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This image was originally posted to Flickr by James St. John at https://flickr.com/photos/47445767@N05/34815441404 (archive). It was reviewed on 5 December 2019 by FlickreviewR 2 and was confirmed to be licensed under the terms of the cc-by-2.0. |
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| Date/Time | Thumbnail | Dimensions | User | Comment | |
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| current | 03:29, 5 December 2019 | | 2,610 × 2,107 (3.01 MB) | Ser Amantio di Nicolao (talk | contribs) | Transferred from Flickr via #flickr2commons |
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