Devonian Crinoids
Photographed by Michael P. Klimetz

Megistocrinus
[Calyx]

Alpena

MICHIGAN
Photographed by Michael P. Klimetz

Myelodactylus nodosarius
[Root System]

Helderbergian

Clarita

OKLAHOMA
Photographed by Michael P. Klimetz

Myelodactylus nodosarius
[Root System]

Helderbergian

Clarita

OKLAHOMA
Photographed by Michael P. Klimetz

Arthrocantha carpenteri
[Cup]

Silica Shale
Middle Devonian

Sylvania

OHIO
Photographed by Michael P. Klimetz

Arthrocantha carpenteri
[Cup]

Silica Shale
Middle Devonian

Sylvania

OHIO
Photographed by Michael P. Klimetz

Arthrocantha carpenteri
[Cup]

Silica Shale
Middle Devonian

Sylvania

OHIO
Photographed by Michael P. Klimetz

Arthrocantha carpenteri
[Cup]

Silica Shale
Middle Devonian

Sylvania

OHIO
Photographed by Michael P. Klimetz


Unidentified Crinoid Columnal


Arkona Shale
Middle Devonian-Givetian

Hungry Hollow
Arkona

Ontario
CANADA