Graptolites
Photographed by Michael A. Klimetz
Didymograptus
Ordovician

AUSTRALIA
Photographed by Michael A. Klimetz
Tetragraptus
Ordovician

AUSTRALIA
Photographed by Michael A. Klimetz
Phyllograptus
Ordovician

NORWAY
Photographed by Michael P. Klimetz
Dictyonema scalariforme
Silurian

OHIO
Photographed by Michael P. Klimetz
Dictyonema scalariforme
Silurian

OHIO
Photographed by Michael P. Klimetz
Leptograptus flaccidus

Ordovician-Trentonian
Viola Limestone

Murray County
OKLAHOMA
Interpretation
Photographed by Michael P. Klimetz
Didymograptus protobifidus

Ordovician

Bendigo

Victoria
AUSTRALIA
Photographed by Michael P. Klimetz
Orthograptus springerus [Lapworth]

Ordovician-Trentonian
Viola Limestone

Murray County
OKLAHOMA
Photographed by Michael P. Klimetz
Climacograptus typicalis [Hall]

Ordovician-Trentonian
Viola Limestone

Murray County
OKLAHOMA
Photographed by Michael P. Klimetz
Desmograptus sollarsi [Decker]

Lower Devonian-Helderbergian
Cravat Member-Bois d'Arc Formation

Clarita

Coal County
OKLAHOMA
Photographed by Michael P. Klimetz
Monograptus sp.

Lower Silurian

Bardo
POLAND
Photographed by Michael P. Klimetz
Monograptus sp.

Lower Silurian

Bardo
POLAND
Photographed by Michael P. Klimetz
Monograptus sp.

Lower Silurian

Bardo
POLAND
Interpretation
Photographed by Michael P. Klimetz
Ptiograptus delicatissima

Lower Devonian-Helderbergian
Cravat Member-Bois d'Arc Formation

Clarita

Coal County
OKLAHOMA
Photographed by Michael P. Klimetz
Climactograptus wilsoni

Ordovician/Silurian Boundary
Lower Hartfell Shales
[Lapworth Location]

Main Cliff

Dob's Linn
SCOTLAND
Photographed by Michael P. Klimetz
Climactograptus wilsoni

Ordovician/Silurian Boundary
Lower Hartfell Shales
[Lapworth Location]

Main Cliff

Dob's Linn
SCOTLAND
Photographed by Michael P. Klimetz
Monograptus sp.

Silurian-Ludlovian
Cromus beaumonti Horizon
(Shale Facies)

Beroun
Kosov Quarry

Bohemia
CZECH REPUBLIC
Photographed by Michael P. Klimetz

Phyllograptus typus
Tetragraptus sp.

Lower Ordovician - Bendigonian

Bendigo

Victoria
AUSTRALIA
Phyllograptus typus
Tetragraptus
Photographed by Michael P. Klimetz

Phyllograptus typus

Lower Ordovician - Bendigonian

Bendigo

Victoria
AUSTRALIA
Photographed by Michael P. Klimetz

Monograptus

Ordovician

Valongo

PORTUGAL
Photographed by Michael P. Klimetz

Monograptus

Ordovician

Valongo

PORTUGAL
Photographed by Michael P. Klimetz

Monograptus

Ordovician

Valongo

PORTUGAL
Photographed by Michael P. Klimetz

Monograptus

Ordovician

Valongo

PORTUGAL
Photographed by Michael P. Klimetz

Monograptus

Ordovician

Valongo

PORTUGAL
Photographed by Michael P. Klimetz

Monograptus

Ordovician

Valongo

PORTUGAL
Photographed by Michael P. Klimetz

Monograptus

Ordovician

Valongo

PORTUGAL
Photographed by Michael P. Klimetz

Koremagraptus thallograptoides

Silurian-Ludlovian
Kopanina Formation
Cromus beaumonti Horizon

Kosov Quarry
Beroun

Bohemia
CZECH REPUBLIC
Photographed by Michael P. Klimetz

Monograptus ultimus

Silurian
Pridoli Formation

Kosov Quarry
Beroun

Bohemia
CZECH REPUBLIC
Photographed by Michael P. Klimetz

Monograptus ultimus

Silurian
Pridoli Formation

Kosov Quarry
Beroun

Bohemia
CZECH REPUBLIC
Photographed by Michael P. Klimetz

Monograptus sp.

Silurian

Bohemia
CZECH REPUBLIC
Photographed by Michael P. Klimetz

Monograptus sp.

Silurian

Bohemia
CZECH REPUBLIC
Photographed by Michael P. Klimetz

Monograptus sp.

Silurian

Bohemia
CZECH REPUBLIC
Photographed by Michael P. Klimetz

Monograptus sp.

Silurian

Bohemia
CZECH REPUBLIC
Photographed by Michael P. Klimetz

Koremagraptus thallograptoides

Silurian-Ludlovian
Kopanina Formation
Cromus beaumonti Horizon

Kosov Quarry
Beroun

Bohemia
CZECH REPUBLIC
Photographed by Michael P. Klimetz

Monograptus belophorus
[Meneghini 1857]

Silurian-Wenlockian
Motol Formation

Loděnice

Bohemia
CZECH REPUBLIC
Photographed by Michael P. Klimetz

Monograptus belophorus
[Meneghini 1857]

Silurian-Wenlockian
Motol Formation

Loděnice

Bohemia
CZECH REPUBLIC
Photographed by Michael P. Klimetz

Diplograptus amplexicaulis

Middle Ordovician
Glens Falls Limestone
Trenton Group

Fenimore
Moreau

Saratoga County
NEW YORK
Interpretation
Photographed by Michael P. Klimetz

Didymograptus extensus

Lower Ordovician-Bendigonian

Victoria
AUSTRALIA
Photographed by Michael P. Klimetz

Didymograptus extensus

Lower Ordovician-Bendigonian

Victoria
AUSTRALIA
Photographed by Michael P. Klimetz

Didymograptus extensus

Lower Ordovician-Bendigonian

Victoria
AUSTRALIA
Photographed by Michael P. Klimetz

Didymograptus extensus

Lower Ordovician-Bendigonian

Victoria
AUSTRALIA
Photographed by Michael P. Klimetz

Didymograptus protobifidus

Lower Ordovician-Canadian
West Spring Creek Formation
Arbucle Group

Arbuckle Mountains

Carter County
OKLAHOMA
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