The spider cytogenetic database

Current version: 6.5 (Jan 31, 2018)

Douglas Araujo, Marielle Cristina Schneider, Emygdio Paula-Neto and Doralice Maria Cella


Introduction of Database Families - Cytogenetics of spiders Bibliography Arthropoda cytogenetics group Scorpion database Pseudoscorpion database Harvestmen database Chromosomal analyses

 

 

Trechaleidae Simon, 1890

 

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

Neoctenus comosus Simon, 1897 ---- 20 X1X2 18T+X1X2T Brazil Araujo et al., 2015a
N. comosus Simon, 1897 ---- (22) ---- 22T Brazil Araujo et al., 2015a
N. comosus Simon, 1897 ---- (23) ---- 23T Brazil Araujo et al., 2015a

Paratrechalea ornata (Mello-Leitão, 1943)

----

24

X1X2

----

Uruguay

Albo & Postiglioni, 2011

Syntrechalea syntrechaleoides (Mello-Leitão, 1941) ---- 28 X1X2 26T+X1X2T Brazil Araujo et al., 2015a
S. syntrechaleoides (Mello-Leitão, 1941) ---- 28+1S X1X2 27T+X1X2T Brazil Araujo et al., 2015a
S. syntrechaleoides (Mello-Leitão, 1941) ---- (30) X1X1X2X2 26T+X1X1X2X2T Brazil Araujo et al., 2015a

Trechalea bucculenta (Simon, 1898)

----

28

X1X2

----

Uruguay

Albo & Postiglioni, 2011

Trechaleoides biocellata (Mello-Leitão, 1926)

----

28

X1X2

----

Uruguay

Albo & Postiglioni, 2011