Arachchige, G.M., Jayakody, S., Mooi, R. and Kroh, A. 2019.

Taxonomy and distribution of irregular echinoids (Echinoidea: Irregularia) from Sri Lanka

. Zootaxa. 4541, 1 (Jan. 2019), 1–100. DOI:https://doi.org/10.11646/zootaxa.4541.1.1.