Williams, A.; Carlson, S.; Brunton, C. H. C.; Holmer, L. E.; Popov, L. E. (1996). A supra-ordinal classification of the Brachiopoda. Philosophical Transactions of the Royal Society, Biological Sciences. 351: 1117-1193.
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Williams, A.; Carlson, S.; Brunton, C. H. C.; Holmer, L. E.; Popov, L. E.
1996
A supra-ordinal classification of the Brachiopoda
Philosophical Transactions of the Royal Society, Biological Sciences