Nemastomatidae
Nemastomatidae Simon, 1872 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; M = metacentric; SM = submetacentric; ST = subtelocentric; A = acrocentric; T = telocentric; ? = dubious description.
Ischyropsalididae
Ischyropsalididae Simon, 1879 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; M = metacentric; SM = submetacentric; ST = subtelocentric; A = acrocentric; T = telocentric; ? = dubious description.
Dicranolasmatidae
Dicranolasmatidae Simon, 1879 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; M = metacentric; SM = submetacentric; ST = subtelocentric; A = acrocentric; T = telocentric; ? = dubious description.
Stylocellidae
Stylocellidae Hansen & Sørensen, 1904 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; M = metacentric; SM = submetacentric; ST = subtelocentric; A = acrocentric; T = telocentric; ? = dubious description.
Sironidae
Sironidae Simon, 1879 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; M = metacentric; SM = submetacentric; ST = subtelocentric; A = acrocentric; T = telocentric; ? = dubious description.
Pettalidae
Pettalidae Shear, 1980 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; M = metacentric; SM = submetacentric; ST = subtelocentric; A = acrocentric; T = telocentric; ? = dubious description.
Neogoveidae
Neogoveidae Shear, 1980 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; M = metacentric; SM = submetacentric; ST = subtelocentric; A = acrocentric; T = telocentric; ? = dubious description.