Author:
Sarjeant,W.A.S.
Year:
1970
Title:
Xanthidia, Palinospheres and "Hystrix": A review of the study of fossil unicellular microplankton with organic cell walls.
Reference:
Sarjeant,W.A.S. (1970) Xanthidia, Palinospheres and "Hystrix": A review of the study of fossil unicellular microplankton with organic cell walls. Microscopy Vol. 31 # 9 P. 221- 253
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Genus Species Country(Region) From To
Tytthodiscus Tytthodiscus California Tertiary
Veryhachium Veryhachium trispinosum Baltic Ordovician
Zonosphaeridium Zonosphaeridium Nd Nd