Wikimedi'Òc

Graftonoceras fossil nautiloid (Lockport Dolomite, Middle Silurian; Coldwater, southern Mercer County, western Ohio, USA) (15054984258).jpg - Tillman

Put-in-Bay Dolomite (Upper Silurian) (Crystal Cave, South Bass Island, Lake Erie, Ohio, USA) 5 (8320053871).jpg - Ser Amantio di Nicolao

Put-in-Bay Dolomite over Tymochtee Dolomite (Upper Silurian; South Bass Island, Lake Erie, Ohio, USA) 8 (48628150982).jpg - Ser Amantio di Nicolao

Put-in-Bay Dolomite over Tymochtee Dolomite (Upper Silurian; South Bass Island, Lake Erie, Ohio, USA) 10 (48627999876).jpg - Ser Amantio di Nicolao

Geneva Dolomite Member of the Jeffersonville Limestone (Lower Devonian) over the Louisville Limestone-Waldron Shale-Laurel Member (Middle Silurian) (St. Paul Stone Quarry, St. Paul, Indiana, USA) 2 (21833324878).jpg - Ser Amantio di Nicolao

Paradox-basin-cross-section.png - Tanordstrom