Amaurobius ferox, sometimes known as the black lace-weaver, is a common nocturnal spider belonging to the family Amaurobiidae and genus Amaurobius. Its genus includes three subsocial species, A. fenestralis, A. similis and A. ferox, all three of which have highly developed subsocial organizations.

Cribellum literally means "little sieve", and in biology the term generally applies to anatomical structures in the form of tiny perforated plates.