File:Medusaegraptus mirabilis (fossil green algae) (Goat Island Formation, Upper Silurian; Lafarge Gasport Quarry, New York State, USA) 6.jpg

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English: Medusaegraptus mirabilis Ruedemann, 1925 - fossil alga in argillaceous dolostone from the Silurian of New York State, USA.

Rudolf Ruedemann originally identified this fossil as a dendroid graptolite. Modern workers assign this material to the dasyclad green algae. The fossil is preserved as a dark, flattened, carbon-rich film, a preservation style known as carbonization.

Classification: Plantae, Chlorophyta, Ulvophyceae, Dasycladales, Seletonellaceae, Dasyporelleae, Medusaeporinae

Stratigraphy: Medusaegraptus Epibole (part of the “Gasport Channel” or “Gasport Lens”), mid-Niagara Falls Member, lower Goat Island Formation, Lockport Group, ~lower Ludlovian Series, lower Upper Silurian.

Locality: Lafarge Gasport Quarry, Gasport, eastern Niagara County, western New York State, USA.
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Source https://www.flickr.com/photos/47445767@N05/51191504930/
Author James St. John

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This file is licensed under the Creative Commons Attribution 2.0 Generic license.
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This image was originally posted to Flickr by James St. John at https://flickr.com/photos/47445767@N05/51191504930. It was reviewed on 20 May 2021 by FlickreviewR 2 and was confirmed to be licensed under the terms of the cc-by-2.0.

20 May 2021

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current16:47, 20 May 2021Thumbnail for version as of 16:47, 20 May 20211,578 × 3,202 (4.56 MB)Ser Amantio di Nicolao (talk | contribs)Uploaded a work by James St. John from https://www.flickr.com/photos/47445767@N05/51191504930/ with UploadWizard

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