I wrote: > I'm entirely comfortable with this level of 'demotion'. Elsewhere in > invertebrate paleontology, there are more extreme examples: whole > phyla (such as Pogonophora and Vestimentifera) have been 'demoted' to > 'family' level (in this case Siboglinidae, within annelid worms). Oops, my bad - I meant to write "invertebrate zoology".