Both Punk and Emo are described as worm-like mollusks with long spines and smooth undersides that suggest they inhabited the seafloor. Punk had gills and a broad foot with ridges on the bottom ...

The gills were concentrated along its posterior, and a foot-like structure. This is different from the flat sole typical of modern mollusks. ・Emo Vorticaudum: Sporting two small, shell-like ...