Category:Treptoceras duseri

Media in category "Treptoceras duseri"

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

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  Orthonybyoceras duseri, Late Ordovician, Waynesville Formation, Warren County, Ohio, USA - Houston Museum of Natural Science - DSC01658.JPG 3,130 × 3,685; 3.59 MB
  
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  Proteoceratidae - Treptoceras duseri cropped.jpg 2,226 × 1,017; 515 KB
  
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  Proteoceratidae - Treptoceras duseri.JPG 2,228 × 1,675; 3.29 MB