Template:Downs et al., 2011
- Downs, J.P.; Daeschler, E.B.; Jenkins, F.A., jr.; Shubin, N.H. 2011: A new species of Laccognathus (Sarcopterygii, Porolepiformes) from the Late Devonian of Ellesmere Island, Nunavut, Canada. Journal of vertebrate paleontology, 31(5): 981–996. DOI: 10.1080/02724634.2011.599462
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