''Atypus muralis'' is a mygalomorph spider from

Central Europe Central Europe is a geographical region of Europe between Eastern Europe, Eastern, Southern Europe, Southern, Western Europe, Western and Northern Europe, Northern Europe. Central Europe is known for its cultural diversity; however, countries in ...

Turkmenistan Turkmenistan is a landlocked country in Central Asia bordered by Kazakhstan to the northwest, Uzbekistan to the north, east and northeast, Afghanistan to the southeast, Iran to the south and southwest and the Caspian Sea to the west. Ash ...

. It is very similar to ''

Atypus piceus ''Atypus piceus'' is a mygalomorph spider of the family Atypidae. It occurs from France to Russia and in Iran, and is the type species of the genus ''Atypus''. Description Males are about long without chelicerae, females up to . Males are of a ...

'', but the posterior

spinnerets A spinneret is a silk-spinning organ of a spider or the larva of an insect. Some adult insects also have spinnerets, such as those borne on the forelegs of Embioptera. Spinnerets are usually on the underside of a spider's opisthosoma, and ar ...

consist of four instead of three segments.Jones, Dick (1989) ''A Guide to Spiders of Britain and Northern Europe'' (revised edition), Hamlyn, , p. 46 They also build tubes that can be up to 1 m deep. Females grow to around 12 mm, while males grow to 9 mm.

References

Atypidae Spiders of Europe Spiders of Asia Spiders described in 1890 {{Atypidae-stub