Poeta, M. R. M., & Teixeira, R. A. (2017).

Description of the male of the spider Eustala vellardi Mello-Leitão, 1924,
the female of E. delasmata Bryant, 1945 and seven species of Eustala Simon, 1895 declared as nomina dubia (Araneae, Araneidae)

. Zootaxa, 4273(1), 112–120. https://doi.org/10.11646/zootaxa.4273.1.8