The Spider Cytogenetic Database

Current version: 12.5 (Feb 29, 2024)

Douglas Araujo, Marielle Cristina Schneider, Emygdio Paula-Neto and Doralice Maria Cella​
Atypidae  Thorell, 1870

Cited as = species name adopted by the researcher that performed the cytogenetic analysis; 2n = diploid number of males and in parenthesis, diploid number of females; n = haploid number; 3n = triploid number; 4n = tetraploid number; SCS = sex chromosome system; T = telocentric; A = acrocentric; St = subtelocentric; Sm = submetacentric; M = metacentric; H = holocentric; S = supernumerary chromosome; (?) = dubious description; (*) = designation of the species name not recorded in the taxonomic database.

Valid name Cited as 2n SCS Chromosomal morphology Collection site Bibliography
Atypus affinis Eichwald, 1830 ---- 14 XY 8M+4Sm+XYM Czech Republic Řezáč et al., 2006
Atypus karschi Dönitz, 1887 ---- 46? X1X2 ---- ---- Suzuki, 1949
Atypus karschi Dönitz, 1887 ---- 46? X1X2 ---- ---- Suzuki, 1950a
Atypus karschi Dönitz, 1887 ---- ±44 X1X2 ±42A+X1X2A Japan Suzuki, 1954
Atypus muralis Bertkau, 1890 ---- 41 X 36M+2Sm+2St+XM Czech Republic Řezáč et al., 2006
Atypus muralis Bertkau, 1890 ---- 41 X Predominantly M Czech Republic Král et al., 2011
Atypus piceus (Sulzer, 1776) ---- 41 X 38M+2Sm+XM Czech Republic Řezáč et al., 2006