File:Lophophyllidium sp. (fossil rugose coral in fossiliferous limestone) (Lower Mercer Limestone, Middle Pennsylvanian; Rt. 16 roadcut near Trinway, Ohio, USA) (32442526843).jpg
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| Description |
Lophophyllidium sp. - fossil rugose coral in limestone from the Pennsylvanian of Ohio, USA. This is a solitary rugose coral from the Lower Mercer Limestone, a widespread, laterally-persistent marine fossiliferous limestone unit in the Pottsville Group of eastern Ohio. Rugose corals, or "horn corals" are an extinct group of marine invertebrates. Some rugosans were colonial, but most of them were solitary (as is the individual shown above), with a calcitic skeleton that tapered to a point. The pointed end was in the seafloor sediments. A sea anemone-type organism (polyp) originally occupied the cup's living space at top. Coral polyps have numerous tentacles with stinging cells (nematocysts) that paralyze prey. Many corals have photosynthesizing microbes (zooxanthellae) living symbiotically within their tissues. Classification: Animalia, Cnidaria, Anthozoa, Rugosa, Lophophyllidiidae Stratigraphy: Lower Mercer Limestone, Pottsville Group, lower Atokan Stage, lower Middle Pennsylvanian Locality: roadcut along the northern side Rt. 16, southern margin of Irish Ridge, west of the Rt. 16-Rt. 60 intersection, northwest of the town of Trinway, northwestern Muskingum County, eastern Ohio, USA (40° 09’ 12.95” North latitude, 82° 02’ 43.27” West longitude) |
| Date | |
| Source | Lophophyllidium sp. (fossil rugose coral in fossiliferous limestone) (Lower Mercer Limestone, Middle Pennsylvanian; Rt. 16 roadcut near Trinway, Ohio, USA) |
| 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@N05/32442526843. It was reviewed on 24 June 2017 by FlickreviewR and was confirmed to be licensed under the terms of the cc-by-2.0. |
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| current | 17:35, 24 June 2017 | | 1,337 × 1,409 (1.27 MB) | Ser Amantio di Nicolao (talk | contribs) | Transferred from Flickr via Flickr2Commons |
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