Wikimedi'Òc

Cladoselache fyleri (fossil shark) (Cleveland Shale Member, Ohio Shale, Upper Devonian; Brooklyn, Ohio, USA) 2 (33699470716).jpg - Ser Amantio di Nicolao

Cladoselache sp. (fossil shark) (Cleveland Shale Member, Ohio Shale, Upper Devonian; Rocky River Valley, Cleveland, Ohio, USA) 2 (33584261902).jpg - Ser Amantio di Nicolao

Cladoselache sp. (fossil shark) (Cleveland Shale Member, Ohio Shale, Upper Devonian; Rocky River Valley, Cleveland, Ohio, USA) 1 (33355976530).jpg - Ser Amantio di Nicolao

Dunkleosteus sp. (fossil fish lower jaw) (Ohio Shale, Upper Devonian; Lorain County, Ohio, USA) (34131024265).jpg - Ser Amantio di Nicolao

Dunkleosteus terrelli (fossil fish) (Cleveland Shale Member, Ohio Shale, Upper Devonian; Rocky River Valley, Cleveland, Ohio, USA) 3 (34091327576).jpg - Ser Amantio di Nicolao

Dunkleosteus terrelli (fossil fish) (Cleveland Shale Member, Ohio Shale, Upper Devonian; Rocky River Valley, Cleveland, Ohio, USA) 24 (34091148376).jpg - Ser Amantio di Nicolao

Dunkleosteus terrelli (fossil fish) (Cleveland Shale Member, Ohio Shale, Upper Devonian; Rocky River Valley, Cleveland, Ohio, USA) 37 (33846244540).jpg - Ser Amantio di Nicolao

Dunkleosteus tooth scrape mark on a Dunkleosteus skull bone (fossil fish) (Cleveland Shale Member, Ohio Shale, Upper Devonian; Vermillion River, Lorain County, Ohio, USA) 1 (34099974091).jpg - Ser Amantio di Nicolao

Foerstia fossil algae on mudshale (Ohio Shale, Upper Devonian; Glen Echo Ravine, Columbus, Ohio, USA) (36542600921).jpg - Ser Amantio di Nicolao

Dunkleosteus sp. (fossil fish bone) (Ohio Shale, Upper Devonian; just north of Columbus, Ohio, USA) (41295672655).jpg - Ser Amantio di Nicolao

Clevelandodendron ohioensis (fossil club moss) (Ohio Shale, Upper Devonian; Cleveland, Ohio, USA) 2.jpg - Ser Amantio di Nicolao

Clevelandodendron ohioensis (fossil club moss) (Ohio Shale, Upper Devonian; Cleveland, Ohio, USA) 1.jpg - Ser Amantio di Nicolao

Clevelandodendron ohioensis (fossil club moss) (Ohio Shale, Upper Devonian; Cleveland, Ohio, USA) 3.jpg - Ser Amantio di Nicolao

Clevelandodendron ohioensis (fossil club moss) (Ohio Shale, Upper Devonian; Cleveland, Ohio, USA) 4.jpg - Ser Amantio di Nicolao

Clevelandodendron ohioensis (fossil club moss) (Ohio Shale, Upper Devonian; Cleveland, Ohio, USA) 6.jpg - Ser Amantio di Nicolao