Nature 378, 661 - 662 (14 December 1995); doi:10.1038/378661a0

A new phylum from the lobster's lips

Simon Conway Morris

Department of Earth Sciences, University of Cambridge, Downing Street, Cambridge CB2 3EQ, UK.

On the taxonomic hierarchy that runs from species to kingdom, phylum ranks one level from the top. There are only 35 or so animal phyla, to which the Cycliophora must now be added.

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