Frýda, J., Blodgett, R. B., Lenz, A. C. and Frýdová, B. (2011) “Jardamarekia enigma, a new Early Devonian tryblidioidean from Royal Creek area (Yukon Territory, Canada), and paleobiogeography of the Early Devonian of northwestern Canada”, Zootaxa. Auckland, New Zealand, 2905(1), pp. 57–62. doi: 10.11646/zootaxa.2905.1.4.