Author:
Lentin,J.K.;Williams,G.L.
Year:
1973
Title:
Fossil dinoflagellates: index to genera and species.
Reference:
Lentin,J.K. et al. (1973) Fossil dinoflagellates: index to genera and species. Geological Survey of Canada, Paper Vol. 73 # 42 P. 1- 176
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Genus Species Country(Region) From To
Xanthidium Xanthidium palmatum Nd Nd
Xanthidium Xanthidium pilosum Nd Nd
Xanthidium Xanthidium spinosum Nd Nd
Xenascus Xenascus australensis Nd Nd
Xenascus Xenascus ceratioides France(Paris Basin) Senonian
Xenicodinium Xenicodinium densispinosum Nd Early Kimmeridgian
Xenicodinium Xenicodinium hispidum Nd Middle Miocene Late Neogene
Xenicodinium Xenicodinium lubricum Nd Danian
Xenikoon Xenikoon americanus Nd Albian Cenomanian
Xenikoon Xenikoon australis Nd Turonian Campanian
Xiphophoridium Xiphophoridium alatum Nd Albian Cenomanian
Zosterosphaera Zosterosphaera tripunctata Nd Late Precambrian