Caron, J. B. (2007). "Banffia constricta, a putative vetulicolid from the Middle Cambrian Burgess Shale". Transactions of the Royal Society of Edinburgh: Earth Sciences. 96 (2): 95–111. doi:10.1017/S0263593300001255. S2CID128851764.
"Vetulicolia". Paleos.com. Retrieved 6 November 2014.
semanticscholar.org
api.semanticscholar.org
Caron, J. B. (2007). "Banffia constricta, a putative vetulicolid from the Middle Cambrian Burgess Shale". Transactions of the Royal Society of Edinburgh: Earth Sciences. 96 (2): 95–111. doi:10.1017/S0263593300001255. S2CID128851764.