This is the case for three phyla of tiny suspension feeders (Ectoprocta, Entoprocta, and Cycliophora), which have previously jumped back and forth in the lophotrochozoan tree, depending on the data ...

The International Committee on Systematics of Prokaryotes recently pulled the rank of phylum into its code of official nomenclature. Experts say the move will help standardize science in the long run ...