Author:
Umnova,N.I.
Year:
1975
Title:
Ordovician and Silurian acritarchs of the Moscow Basin and Prebaltic
Foreign title:
Akritarkhi Ordovika i Silura Moskovskovi Sineklizy i Prebaltiki
Reference:
Umnova,N.I. (1975) Ordovician and Silurian acritarchs of the Moscow Basin and Prebaltic [ Akritarkhi Ordovika i Silura Moskovskovi Sineklizy i Prebaltiki ] Izdatelstvo Nedra,Moscow P. 1- 167
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Genus Species Country(Region) From To
Baltisphaeridium Baltisphaeridium cladum England(Shropshire) Wenlockian
Baltisphaeridium Baltisphaeridium crassum USSR(Russian Platform) Ordovician Silurian
Baltisphaeridium Baltisphaeridium crassum USSR(Leningrad) Early Gothlandian
Baltisphaeridium Baltisphaeridium cristatum USSR(Russian Platform) Tremadocian
Baltisphaeridium Baltisphaeridium dentatum USSR(Russian Platform) Llandoverian Ludlovian
Baltisphaeridium Baltisphaeridium dentatum sp. nov. USSR(Kalinin) Llandoverian
Baltisphaeridium Baltisphaeridium hirsutoides USSR(Russian Platform) Llanvirnian Wenlockian
Baltisphaeridium Baltisphaeridium hirtum USSR(Russian Platform) Tremadocian
Baltisphaeridium Baltisphaeridium latiradiatum USSR(Russian Platform) Arenigian Middle Ordovician
Baltisphaeridium Baltisphaeridium longispinosum USSR(Russian Platform) Wenlockian
Baltisphaeridium Baltisphaeridium longispinosum USSR(Russian Platform) Ordovician Wenlockian
Baltisphaeridium Baltisphaeridium longispinosum USSR(Russian Platform) Early Ordovician Middle Ordovician
Baltisphaeridium Baltisphaeridium longispinosum USSR(Russian Platform) Early Ordovician Middle Ordovician
Baltisphaeridium Baltisphaeridium mickwitzi USSR(Russian Platform) Early Ordovician
Baltisphaeridium Baltisphaeridium mickwitzi USSR(Pre-Baltic) Late Cambrian
Baltisphaeridium Baltisphaeridium microspinosum USSR(Russian Platform) Early Wenlockian
Baltisphaeridium Baltisphaeridium minor USSR(Russian Platform) Ordovician Silurian