What is "palaeocymopolia"

Palaeocymopolia is an extinct genus of seaweed in the order Dasycladales, which existed in what is now Cornwallis Island, Nunavut, Northern Canada, during the Ludfordian age ( Silurian period). It was described from the Cape Phillips Formation by Steven T. LoDuca, Michael J. Melchin and Heroen Verbruggen in 2011, and the type species is P. nunavutensis.