TY - BOOK AU - Langston,Wann TI - A Fossil Ray, Possibly Myledaphus (Elasmobranchii: Batoidea) from the Late Cretaceous Oldman Formation of Western Canada: Publications in Palaeontology - Publications de paléontologie PY - 1970/// PB - Musées nationaux du Canada - Musée national des sciences naturelles KW - RMCA KW - Abstracts KW - Component parts ER -