Piktivarelia
Piktivarelia are various radially symmetric filter-feeding asterzalia which have nervous systems and a waste disposal system, but otherwise lack complex internal organs.
Subgroups
Piktivareliformes
The ancestral Piktivarelians.
Piktivarelidae: The family which includes all extant Piktivarelians.
The following are in this family: {{#cargo_query:table=SpeciesInfo|fields=_pageName=Species|where=Family="Piktivarelidae"|format=ul}}