Author	Bucefalo Palliani, R. and Riding, J.B.
Year	1997a
Journal	Palynology, v.21, p.197-206.
Title	Umbriadinium mediterraneense gen. et sp. nov. and Valvaeodinium hirsutum sp. nov.: two dinoflagellate cysts from the Lower Jurassic of the Tethyan Realm

Abstract Bucefalo Palliani, R. and Riding, J.B., 1997: Umbriadinium mediterraneense gen. et sp. nov. and Valvaeodinium hirsutum sp. nov.: two dinoflagellate cysts from the Lower Jurassic of the Tethyan Realm. Palynology, v.21, p.197-206.