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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
Microconcentrica Microconcentrica aculeata USSR(Russian Platform) Ordovician Silurian
Microconcentrica Microconcentrica atava USSR(Russian Platform) Ordovician Silurian
Microconcentrica Microconcentrica orbiculata USSR(Russian Platform) Ordovician Silurian
Multiplicisphaeridium Multiplicisphaeridium bifurcatum USSR(Russian Platform) Middle Ordovician Wenlockian
Multiplicisphaeridium Multiplicisphaeridium canadense USSR(Estonian SSR) Late Caradocian
Multiplicisphaeridium Multiplicisphaeridium canadense USSR(Russian Platform) Middle Ordovician Early Gothlandian
Multiplicisphaeridium Multiplicisphaeridium cladum USSR(Russian Platform) Late Ordovician Wenlockian
Multiplicisphaeridium Multiplicisphaeridium cladum England(Shropshire) Wenlockian
Multiplicisphaeridium Multiplicisphaeridium corallinum USSR(Russian Platform) Middle Llandoverian
Multiplicisphaeridium Multiplicisphaeridium cristatum USSR(Russian Platform) Tremadocian
Multiplicisphaeridium Multiplicisphaeridium cristatum USSR(Pre-Baltic) Middle Cambrian
Multiplicisphaeridium Multiplicisphaeridium dentatum sp. nov. USSR(Kalinin) Tremadocian
Multiplicisphaeridium Multiplicisphaeridium digitatum USSR(Russian Platform) Ashgillian Middle Llandoverian
Multiplicisphaeridium Multiplicisphaeridium irregulare USSR(Russian Platform) Middle Caradocian Early Wenlockian
Multiplicisphaeridium Multiplicisphaeridium retiformie sp. nov. USSR(Kalinin) Tremadocian
Ooidium Ooidium largificum sp. nov. USSR(Yaroslav) Tremadocian
Ooidium Ooidium rossicum USSR(Russian Platform) Tremadocian