Langston, W., Jr. (1970). A fossil Ray, possibly Myledaphus (Elasmobranchii: Batoidea) from the Late Cretaceus Oldman formation of Western Canada. Ottawa: The National Museum of Canada.
Styl ChicagoLangston, Wann, Jr. A Fossil Ray, Possibly Myledaphus (Elasmobranchii: Batoidea) From the Late Cretaceus Oldman Formation of Western Canada. Ottawa: The National Museum of Canada, 1970.
Citace podle MLALangston, Wann, Jr. A Fossil Ray, Possibly Myledaphus (Elasmobranchii: Batoidea) From the Late Cretaceus Oldman Formation of Western Canada. Ottawa: The National Museum of Canada, 1970.
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