Identification, Images, & Information
For Insects, Spiders & Their Kin
For the United States & Canada

Species Zygiella atrica


The spider genus Zygiella in North America
By W.J. Gertsch
American Museum novitates ; no. 2188, 1964
Full Text (PDF)

Increasing information content and diagnosability in family-level classifications.
By Kuntner, M., Čandek, K., Gregorič, M., Turk, E., Hamilton, C. A., Chamberland, L., Starrett, J., Cheng, R. C., Coddington, J.
Systematic Biology, 2023
Kuntner, M., Čandek, K., Gregorič, M., Turk, E., Hamilton, C. A., Chamberland, L., Starrett, J., Cheng, R. C., Coddington, J. A., Agnarsson, I. & Bond, J. E. (2023). Increasing information content and diagnosability in family-level classifications. Systematic Biology 72(4): 964-971. doi:10.1093/sysbio/syad021

https://wsc.nmbe.ch/reference/17272

Combining genomic, phenotypic and sanger sequencing data to elucidate the phylogeny of the two-clawed spiders (Dionycha)
By Azevedo et al., 2022
Molecular Phylogenetics and Evolution 166(107327): 1-14, 2022
https://wsc.nmbe.ch/reference/16099

Systematics and evolution of ground spiders revisited (Araneae, Dionycha, Gnaphosidae). Cladistics
By Azevedo, G. H. F, Griswold, C. E. & Santos, A. J.
Cladistics 34(6): 579-626, 2018
https://wsc.nmbe.ch/reference/14218

Nearctic genera of the spider family Agelenidae (Arachnida, Araneida)
By Vincent Roth & Patricia Brame
American Museum Novitates 2505: 1-52, 1972
Full Text

I filed this book under Entelegynes because many of the species described in it are no longer part of the Agelenidae.

The morphology and phylogeny of dionychan spiders
By Ramírez, Martín J.
Bulletin of the American Museum of Natural History, 2014
http://digitallibrary.amnh.org/dspace/handle/2246/6537

A revision of the spider genus Zorocrates
By Platnick, Norman I.; Ubick, Darrell
American Museum Novitates, no. 3579, 2007

The spider subfamily Clubioninae of the United States, Canada and Alaska (Araneae: Clubionidae)
By Robert J. Edwards
Bulletin of the Museum of Comparative Zoology Harvard 118: 365-436, 1958
Full Text at the Biodiversity Heritage Library