↑Rigby, J. K.; Collins, D. (2004). "Sponges of the Middle Cambrian Burgess Shale and Stephen Formations, British Columbia". ROM contributions in science. 1. ISBN0-88854-443-X. ISSN1710-7768.{{cite journal}}: CS1 maint: periodical has ISBN (link)
↑Qiu-Jun Wang; Jin Peng; Rong-Qin Wen; Guang-Ying Du; Hui Zhang; De-Zhi Wang; Yi-Fan Wang (2019). "Hamptonia jianhensis sp. nov. from the Cambrian (Stage 4) Balang Fauna of Guizhou, China". Historical Biology: An International Journal of Paleobiology. 32 (9): 1206–1214. doi:10.1080/08912963.2019.1575374. S2CID92293899.