Caldwell, M. W.; Chatterton, B. D. E. (1995). Phylogenetic analysis of some Silurian rostroconchs (Molluscs) from northwestern Canada. Canadian Journal of Earth Sciences. 32: 806-827.
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Caldwell, M. W.; Chatterton, B. D. E.
1995
Phylogenetic analysis of some Silurian rostroconchs (Molluscs) from northwestern Canada