Hess, Hans (1972): Planktonic crinoids of late Jurassic age from Leg 11, Deep Sea Drilling Project. Texas A & M University, Ocean Drilling Program, College Station, TX, United States, In: Initial reports of the Deep Sea Drilling Project covering Leg 11 of the cruises of the drilling vessel "Glomar Challenger", Miami, Florida to Hoboken, New Jersey, April-June, 1970, 11, 631-634, georefid:1972-035384