A Lower Cambrian Eotebenna (Mollusca) from Arctic North America
The helcionellacean mollusc Eotebenna Runnegar and Jell, 1976 is described from the Lower Cambrian Henson Gletscher Formation of central North Greenland, part of the Franklinian Basin sequence of Arctic Canada and adjacent northern Greenland. The Henson Gletscher Formation specimens of Eotebenna are the first Lower Cambrian and North American records of a genus originally described from the Middle Cambrian of Australia. A new species, Eotebenna arctica, is described.