Template:Rigby et al., 2008
- Rigby, J.K., Rohr, D.M., Blodgett, R.B. & Britt, B.B. 2008. Silurian sponges and some associated fossils from the Heceta Limestone, Prince of Wales Island, Southeastern Alaska. Journal of Paleontology 82(1): 91-101. DOI: 10.1666/06-047.1, JSTOR