Author:
Umnova,N.I.
Year:
1974
Title:
Silurian and Ordovician acritarch assemblages from the northern and western parts of the Russian Platform.
Foreign title:
Kompleksy Akritarkh Ordovika i Silura Severnoy i Zapadnoy Chastey Russkoy Platformy.
Reference:
Umnova,N.I. (1974) Silurian and Ordovician acritarch assemblages from the northern and western parts of the Russian Platform. [ Kompleksy Akritarkh Ordovika i Silura Severnoy i Zapadnoy Chastey Russkoy Platformy. ] Mezhdunarodnaya Palinologicheskaya Konferentsiya,3rd,Novosibirsk. 1971, Nauka Moskva. Palinologiya Proterofita I Paleofita. (Palynology of Proterophyte and Paleophyte) P. 33- 38
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Genus Species Country(Region) From To
Baltisphaeridium Baltisphaeridium pilosum USSR(Russian Platform) Cambrian Ludlovian
Baltisphaeridium Baltisphaeridium pilosum USSR(Pre-Baltic) Cambrian Ludlovian
Baltisphaeridium Baltisphaeridium piriferum USSR(Russian Platform) Early Wenlockian
Baltisphaeridium Baltisphaeridium piriferum USSR(Russian Platform) Early Wenlockian
Baltisphaeridium Baltisphaeridium piriferum USSR(Pre-Baltic) Early Wenlockian
Baltisphaeridium Baltisphaeridium piriferum USSR(Pre-Baltic) Early Wenlockian
Baltisphaeridium Baltisphaeridium polygonale USSR(Russian Platform) Tremadocian Ashgillian
Baltisphaeridium Baltisphaeridium polygonale USSR(Russian Platform) Ashgillian Llandoverian
Baltisphaeridium Baltisphaeridium polygonale USSR(Pre-Baltic) Tremadocian Ashgillian
Baltisphaeridium Baltisphaeridium polygonale USSR(Pre-Baltic) Ashgillian Early Llandoverian
Baltisphaeridium Baltisphaeridium polyradiatum USSR(Russian Platform) Tremadocian Ashgillian
Baltisphaeridium Baltisphaeridium polyradiatum USSR(Pre-Baltic) Tremadocian Ashgillian
Baltisphaeridium Baltisphaeridium pungens USSR(Russian Platform) Tremadocian Early Wenlockian
Baltisphaeridium Baltisphaeridium pungens USSR(Pre-Baltic) Tremadocian Early Wenlockian
Baltisphaeridium Baltisphaeridium rigens USSR(Russian Platform) Tremadocian
Baltisphaeridium Baltisphaeridium rigens USSR(Russian Platform) Middle Caradocian Early Wenlockian
Baltisphaeridium Baltisphaeridium rigens USSR(Pre-Baltic) Tremadocian