New dinoflagellate cyst species from Upper Jurassic to Lower Cretaceous sediments of the Volgian lectostratotype sections at Gorodische and Kashpir, Volga Basin, Russia
2004 ◽
Vol 128
(3-4)
◽
pp. 355-379
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Keyword(s):
Keyword(s):
Keyword(s):
1990 ◽
Vol 55
(1)
◽
pp. 299-323
◽
Keyword(s):