1.b. Patellar apophysis lacking, tibial apophysis with one very long or several short processes. Epigynum bipartite or wider than long. Cribellum present ... 2
2.a. Tibial apophysis
of the male palp with a sharp, straight process. Epigynum divided by a
longitudinal slit ... Callobius
Photos: Callobius claustrarius
2.b. Process of the
tibial apophysis bent or clearly shorter. Epigynum not clearly bipartite
... Amaurobius
Photos: Amaurobius ferox
Photos: Amaurobius similis
Photos: Amaurobius fenestralis