21543 - Museum Grade Trident 2.75 Inch Walliserops trifurcatus Middle Devonian Trilobite Meteorites - Museum Grade Sister taxa: Ankistrorhynchus

Sister taxa: Ankistrorhynchus

pterygoid with short palatine process at about 45° relative to the ectopterygoid process

in the intermediate and upper stratigraphic levels (Red Sandstone Beds)

we provisionally denote the Polish and Maastricht specimens as “ Mosasaurus ( Leiodon ) cfr

21543 - Museum Grade Trident 2.75 Inch Walliserops trifurcatus Middle Devonian Trilobite Meteorites - Museum Grade Sister taxa: AnkistrorhynchusImpressive specimen, prepared in an exceptional way. This trilobite with his forked trident has been prepared as free standing along with 82 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