Bennett, R., Copley, C. and Copley, D. 2021. Cybaeus (Araneae: Cybaeidae): the aspenicolens species group of the Californian clade. Zootaxa. 4926, 2 (Feb. 2021), 224–244. DOI:https://doi.org/10.11646/zootaxa.4926.2.4.