Category:Crinoidea from the Pottsville Formation

Subcategories

This category has only the following subcategory.

Media in category "Crinoidea from the Pottsville Formation"

The following 3 files are in this category, out of 3 total.

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  Crinoid stems (Lower Mercer Limestone, Middle Pennsylvanian; Rt. 16 roadcut near Trinway, Ohio, USA) 1 (32874111820).jpg 1,962 × 1,576; 1.63 MB
  
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  Crinoid stems (Lower Mercer Limestone, Middle Pennsylvanian; Rt. 16 roadcut near Trinway, Ohio, USA) 2 (32442530673).jpg 2,056 × 1,807; 1.85 MB
  
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  Fossiliferous flint (Upper Mercer Limestone, Middle Pennsylvanian; Rock Cut railroad cut, south-southeast of Dresden, Ohio, USA) 6 (33303249246).jpg 3,996 × 2,574; 7.01 MB