Authors: DUNLOP J.A. POSCHMANN M.

Citation: Dunlop J.a et M. Poschmann, On the Emsian (Lower Devonian) arthropods of the Rhenish Schiefergebirge: 1. Xenarachne, an enigmatic arachnid from Willwerath, Germany, Palaontologische Zeitschrift Palaontologische Zeitschrift (Print);Journal of Palaontologische Gesellschaft Scientific contributions to palaeontology, 71(3/4), 1997, pp. 231-236

Authors: POSCHMANN M. TETLIE E.O.

Citation: M. Poschmann et Tetlie E.o, Om the (Lower Devonian) arthropods of the Rhenish Slate Montains: 5. Rare and poorly known eurypterids from Willwerath, Germany, Palaontologische Zeitschrift Palaontologische Zeitschrift (Print);Journal of Palaontologische Gesellschaft Scientific contributions to palaeontology, 80(4), 2006, pp. 325-343