Riley,L.A.

Author:
Riley,L.A.;Sarjeant,W.A.S.

Year:
1972

Title:
Survey of the stratigraphical distribution of dinoflagellates, acritarchs and tasmanitids in the Jurassic.

Reference:

Riley,L.A. et al. (1972) Survey of the stratigraphical distribution of dinoflagellates, acritarchs and tasmanitids in the Jurassic. Geophytology Vol. 2 # 1 P. 1- 11

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Genus	Species	Country(Region)	From	To
Nannoceratopsis	Nannoceratopsis gracilis	Denmark	Hettangian
Adnatosphaeridium	Adnatosphaeridium perforatum	E.Germany	Callovian
Cannosphaeropsis	Cannosphaeropsis perforata	E.Germany	Callovian
Polysphaeridium	Polysphaeridium langii	England	Hettangian
Baltisphaeridium	Baltisphaeridium debilispinum	England	Hettangian
Micrhystridium	Micrhystridium intromittum	England	Hettangian
Micrhystridium	Micrhystridium lymense	England	Hettangian
Solisphaeridium	Solisphaeridium brevispinosum	England	Hettangian
Solisphaeridium	Solisphaeridium delicatum	England	Hettangian	Sinemurian
Tasmanites	Tasmanites newtonii	England	Hettangian
Tytthodiscus	Tytthodiscus suevicus	England	Hettangian
Veryhachium	Veryhachium formosum	England	Hettangian
Veryhachium	Veryhachium irregulare	England	Hettangian
Polysphaeridium	Polysphaeridium caminuspinum	England	Sinemurian
Polysphaeridium	Polysphaeridium langii	England	Sinemurian
Baltisphaeridium	Baltisphaeridium debilispinum	England	Sinemurian
Cymatiosphaera	Cymatiosphaera areolata	England	Sinemurian