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  • In two kingdoms (of life): referring to a taxon that was traditionally classified partly by the animal people and partly by the plant people, because some of them photosynthesized and others didn't*, from the bad old days when people classified all microorganisms as either protozoa or algae. An example is the euglenids, now recognized as a monophyletic clade of excavates. For more see TOLWEB on Euglenida. 

    * that's some of the organisms classified, not some of the people

    June 18, 2015