Author:
Rudavskaya,V.A.
Year:
1969
Title:
Palaeozoic Hystrichospheres.
Reference:
Rudavskaya,V.A. (1969) Palaeozoic Hystrichospheres. Fossil Algae of the USSR,(T.F.Vozzhennikova) P. 163- 168
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Genus Species Country(Region) From To
Anthatractus Anthatractus insolitus Canada Devonian
Archaeohystrichosphaeridium Archaeohystrichosphaeridium minor USSR(Russian Platform) Middle Cambrian
Aremoricanium Aremoricanium rigaudiae England Silurian
Baltisphaeridium Baltisphaeridium Nd Carboniferous
Baltisphaeridium Baltisphaeridium Nd Permian
Baltisphaeridium Baltisphaeridium lucidum France Ordovician
Cymatiosphaera Cymatiosphaera bellicosa Africa(Sahara) Ordovician
Cymatiosphaera Cymatiosphaera celtica Africa(Sahara) Ordovician
Deunffia Deunffia Baltic Middle Cambrian
Deunffia Deunffia Nd Ordovician
Deunffia Deunffia brevispinosa England Silurian
Domasia Domasia elongata England Silurian
Duvernaysphaera Duvernaysphaera USSR(Siberia) Ordovician
Duvernaysphaera Duvernaysphaera USSR(Siberia) Silurian
Duvernaysphaera Duvernaysphaera wilsonii Tunisia Devonian
Estiastra Estiastra Europe Silurian
Estiastra Estiastra barbata England Silurian