Ordovician Fish

Astraspis desiderata

Agnath Dermal Plates and Denticles

in

Thin Section

Harding Sandstone

Canon City

Fremont County

COLORADO

Drawing by Philippe Janvier

Interpretation

Photographed by Michael P. Klimetz

Photographed by Michael P. Klimetz

Photographed by Michael P. Klimetz

Photographed by Michael P. Klimetz

Photographed by Michael P. Klimetz

Photographed by Michael P. Klimetz

Photographed by Michael P. Klimetz

Photographed by Michael P. Klimetz

Photographed by Michael P. Klimetz