Author	Erkmen, U. and Sarjeant, W.A.S.
Year	1978
Journal	Neues Jahrb. fuer Geol. und Pal., Monatshefte pp.400-407
Title	Xylochoarion, new genus of dinoflagellate cysts from the Hackness Rock (Middle Jurassic: Callovian) of Yorkshire, England

Abstract Erkmen, U. and Sarjeant, W.A.S., 1978; Xylochoarion, new genus of dinoflagellate cysts from the Hackness Rock (Middle Jurassic: Callovian) of Yorkshire, England. Neues Jahrb. fuer Geol. und Pal., Monatshefte pp.400-407