Paleozoic Sponges
Photographed by Michael P. Klimetz
Chancelloria pentacta
(Putative Sponge)

Middle Cambrian
Wheeler Formation

UTAH
Photographed by Michael P. Klimetz
Diagonella sp.

Cambrian
Marjum Formation

UTAH
Photographed by Michael P. Klimetz

Wewokella contorta (King)

Pennsylvanian

Thrifty Formation
Speck Mountain Limestone

Young County
TEXAS
Photographed by Michael P. Klimetz

Amblysiphonella proserri
(Clark)

Permian

Moran Formation
Wolfcamp Series

McCulloch County
TEXAS
Photographed by Michael P. Klimetz

Hydnoceras sp.
[Glass Sponge]

Upper Devonian

Avoca

Steuben County
NEW YORK
Photographed by Michael P. Klimetz

Hydnoceras sp.
[Glass Sponge]

Upper Devonian

Avoca

Steuben County
NEW YORK
Hydnoceras sp.
[Sketch]
Photographed by Michael P. Klimetz

Wewokella solula

Pennsylvanian

Wizard Wells

TEXAS
Photographed by Michael P. Klimetz

Regispongia sp.

Mississippian - Chesterian
Bangor Limestone

ALABAMA