World Register of Marine Species (WoRMS)
Kroh, A.; Mooi, R. (2026). World Echinoidea Database. Tetradiella Liao & Lin, 1981&nbsp;&#8224;. Accessed through: World Register of Marine Species at: https://www.marinespecies.org/aphia.php?p=taxdetails&id=512692 on 2026-08-29
Liao, Y. & Lin, C. 1981. [A new echinoid with sexual dimorphism from the Late Tertiary deposits of Beibuwan, Guangxi]. Acta Palaeontologica Sinica 20, 482-484.