Photographed by Michael P. Klimetz
Ptiograptus delicatissima (Decker)
Lower Devonian-Helderbergian
Cravat Member
Bois d'Arc Formation
Geological Enterprises Property
Clarita
Coal County
OKLAHOMA
Photographed by Michael P. Klimetz
Phyllograptus densus (Tornquist)
Lower Ordovician
Didymograptus Zone L
Oslo
NORWAY
Photographed by Michael P. Klimetz
Phyllograptus densus (Tornquist)
Lower Ordovician
Didymograptus Zone L
Oslo
NORWAY
Photographed by Michael P. Klimetz
Phyllograptus densus (Tornquist)
Lower Ordovician
Didymograptus Zone L
Oslo
NORWAY
Photographed by Michael P. Klimetz
Phyllograptus densus (Tornquist)
Lower Ordovician
Didymograptus Zone L
Oslo
NORWAY
Photographed by Michael P. Klimetz
Phyllograptus densus (Tornquist)
Lower Ordovician
Didymograptus Zone L
Oslo
NORWAY
Photographed by Michael P. Klimetz
Climacograptus typicalis
Middle Ordovician
Prosser Formation
Marion
Olmsted County
MINNESOTA
Photographed by Michael P. Klimetz
Climacograptus typicalis
Middle Ordovician
Prosser Formation
Marion
Olmsted County
MINNESOTA
Photographed by Michael P. Klimetz
Climacograptus typicalis
Middle Ordovician
Prosser Formation
Marion
Olmsted County
MINNESOTA
Photographed by Michael P. Klimetz
Climacograptus typicalis
Middle Ordovician
Prosser Formation
Marion
Olmsted County
MINNESOTA
Photographed by Michael P. Klimetz
Climacograptus typicalis
Middle Ordovician
Prosser Formation
Marion
Olmsted County
MINNESOTA
Photographed by Michael P. Klimetz
Tetragraptus quadribrachiatus (Hall)
[Carbonized Films on Black Shale]
Ordovician - Beekmantown Equivalent
Phi Kappa Formation
Trail Creek Pass
IDAHO
Photographed by Michael P. Klimetz
Tetragraptus quadribrachiatus (Hall)
[Carbonized Films on Black Shale]
Ordovician - Beekmantown Equivalent
Phi Kappa Formation
Trail Creek Pass
IDAHO
Photographed by Michael P. Klimetz
Tetragraptus quadribrachiatus (Hall)
[Carbonized Films on Black Shale]
Ordovician - Beekmantown Equivalent
Phi Kappa Formation
Trail Creek Pass
IDAHO
Photographed by Michael P. Klimetz
Tetragraptus serra (Brongniart)
[Carbonized Films on Black Shale]
Ordovician - Canadian
Deepkill Shale
Bed 2
Grant Hollow
Rensselaer County
NEW YORK
Photographed by Michael P. Klimetz
Tetragraptus serra (Brongniart)
[Carbonized Films on Black Shale]
Ordovician - Canadian
Deepkill Shale
Bed 2
Grant Hollow
Rensselaer County
NEW YORK