Trigonotarbid arachnids from the Lower Devonian (Siegenian) of Bürdenbach (Lahrbach Valley, Westerwald area, Rhenish Slate Mountains, Germany)
1989 ◽
Vol 1989
(6)
◽
pp. 356-374
◽
1981 ◽
Vol 1981
(11)
◽
pp. 697-704
1966 ◽
Vol 115
(2-3)
◽
pp. 682-691