The position of the Hyolitha has long been disputed, but has now (2017) been assigned to the Lophophorata, as finely-preserved specimens in the Burgess Shale can be seen to carry lophophores.
The position of the Hyolitha has long been disputed. The position of the Hyolitha has now (2017) been assigned to the Lophophorata. This was as finely. Preserved specimens in the Burgess Shale can be seen to carry lophophores.