22017 - Outstanding 1.74 Inch Ceratarges sp Middle Devonian Trilobite Pterosaur teeth collections feldspar and pyroxene grains (Fig

feldspar and pyroxene grains (Fig

Taemasaspis

C (cryptocrystaline and RP (radial pyroxene)

Some of them have glued and tiny filled fractures

Palorthoceras

22017 - Outstanding 1.74 Inch Ceratarges sp Middle Devonian Trilobite Pterosaur teeth collections feldspar and pyroxene grains (FigImpressive specimen, prepared in an exceptional way. This type of preparation requires meticulous work of tens of hours. It has been partially prepared as partial free standing. Of course, many of the spines during the preparation process have been fractured and glued again, with slight restorations in the fracture zones. A preparation like this without small restorations is impossible. It is an authentic specimen of Museum Grade. This species of