Atypidae: Atypus Latreille, 1804

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Posterior spinnerets with 3 distinct segments (in dorsal and ventral view); sternum with bright median part; First pair of sigilla more than 1 diameter apart from margin of sternum; vulva with 2 pairs of receptacula seminis in the same line; male pedipalp femur with longitudinal depression; male metatarsus IV dorsally without spines

Atypus affinis Eichwald, 1830

- Different

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Posterior spinnerets with 4 distinct segments (in dorsal and ventral view); sternum with dark median part; first pair of sigilla more than 1/2 diameter apart from margin of sternum; vulva with 2 pairs of receptacula seminis, inner and outer pair not in the same line; male pedipalp femur with longitudinal ridge in a depression; male metatarsus IV dorsally more than or just 4 spines

Atypus muralis Bertkau, 1890

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Posterior spinnerets only seeming four-segmented (due to a pigment-less part a segment border is pretended in dorsal view, in ventral view with 3 distinct segments); sternum with dark median part; first pair of sigilla ± 1diameter apart from margin of sternum; vulva with 5-11 unequally large receptacula seminis; male pedipalp femur with longitudinal ridge in depression; male metatarsus IV dorsally with more than or just 2 spines

Atypus piceus (Sulzer, 1776)