22017 - Outstanding 1.74 Inch Ceratarges sp Middle Devonian Trilobite Pterosaur teeth collections Palorthoceras

Palorthoceras

C (cryptocrystaline and RP (radial pyroxene)

feldspar and pyroxene grains (Fig

Taemasaspis

Prionocheilus obtusus

22017 - Outstanding 1.74 Inch Ceratarges sp Middle Devonian Trilobite Pterosaur teeth collections PalorthocerasImpressive 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