Requested reference
Sankaran, P. M., Malamel, J. J., Joseph, M. M. & Sebastian, P. A. (2015c). Theridion echinatum Gao & Li, 2014, a junior synonym of Theridion zonulatum Thorell, 1890 (Araneae, Theridiidae) with comments on its web architecture. Zootaxa 4007(1): 138-142. doi:10.11646/zootaxa.4007.1.12 -- Show included taxa