Atypus muralis

Atypus muralis is a mygalomorph spider from Central Europe to Turkmenistan. It is very similar to Atypus piceus, but the posterior spinnerets consist of four instead of three segments.^[1] They also build tubes that can be up to 1 m deep. Females grow to around 12 mm, while males grow to 9 mm.^[1]

Atypus muralis
Scientific classification
Kingdom:	Animalia
Phylum:	Arthropoda
Subphylum:	Chelicerata
Class:	Arachnida
Order:	Araneae
Infraorder:	Mygalomorphae
Family:	Atypidae
Genus:	Atypus
Species:	A. muralis
Binomial name
Atypus muralis Bertkau, 1890
Synonyms
Atypus piceus Proatypus muralis