22083 - Museum Grade Association 2 Trident Walliserops trifurcatus Middle Devonian Trilobites Dinosaur Fossils Under Study • Silurian of Canada (

• Silurian of Canada ( Northwest Territories

See also Fortey 1975

where a new genus and species of Pterosaur belonging to the Azhdarchidae family is described

34 Inch = 8

22083 - Museum Grade Association 2 Trident Walliserops trifurcatus Middle Devonian Trilobites Dinosaur Fossils Under Study • Silurian of Canada (Impressive specimen, prepared in an exceptional way. This trilobites with his forked trident have been prepared as free standing along with tens of spines. This type of preparation requires meticulous work of tens of hours. 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