File:Halysites sp. (fossil coral) (Lockport Dolomite, Middle Silurian; Rockford Stone Company Quarry, Rockford, Ohio, USA) (42215454041).jpg

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Halysites sp. - fossil colonial coral in the Silurian of Ohio, USA. (sledge hammer for scale) (photo on public display, Geology Department, Wittenberg University, Springfield, Ohio, USA)

From exhibit signage:

This photograph illustrates the Silurian Reef Complex as found at the Rockford Limestone Company Quarries in Rockford, Ohio. Above is shown a specimen of Halysites in relation to a sledge hammer.

Classification: Animalia, Cnidaria, Anthozoa, Tabulata, Halysitidae

Stratigraphy: Lockport Dolomite, Niagaran Series, Middle Silurian

Locality: Rockford Stone Company Quarry (now abandoned & flooded), 1.5 miles northwest of the town of Rockford, northern Mercer County, northwestern Ohio, USA. (40° 42' 29.10" North latitude, 84° 40' 01.28" West longitude)
Date
Source Halysites sp. (fossil coral) (Lockport Dolomite, Middle Silurian; Rockford Stone Company Quarry, Rockford, 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@N05/42215454041 (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.

5 December 2019

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Date/TimeThumbnailDimensionsUserComment
current03:31, 5 December 2019Thumbnail for version as of 03:31, 5 December 20193,910 × 2,109 (4.29 MB)Ser Amantio di Nicolao (talk | contribs)Transferred from Flickr via #flickr2commons

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