Wikipedia
Acadiocaris
Acadiocaris is an extinct genus of spelaeogriphacean crustacean that existed in Canada during the Upper Jurassic period. It was first named by Brooks in 1962, and contains the species Acadiocaris novascotica, named by Copeland in 1957 for the Canadian province of Nova Scotia. It is the only species in the family Acadiocarididae.