Template:Gass & Mikulic, 1982
- Gass, K.C. & Mikulic, D.G. 1982. Observations on the Attawapiskat Formation (Silurian) trilobites of Ontario, with description of a new encrinurine. Canadian Journal of Earth Sciences 19(3): 589–596. DOI: 10.1139/e82-047