Umnova,N.I.

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
Trachysphaeridium	Trachysphaeridium minutissimum	USSR(Russian Platform)	Ordovician	Silurian
Trachysphaeridium	Trachysphaeridium minutissimum	USSR(Pre-Baltic)	Early Cambrian
Trachysphaeridium	Trachysphaeridium pellucidum	USSR(Russian Platform)	Late Caradocian	Ludlovian
Trachysphaeridium	Trachysphaeridium rugellosum	USSR(Russian Platform)	Ordovician
Trachysphaeridium	Trachysphaeridium rugellosum	USSR(Yaroslav)	Ordovician
Trachysphaeridium	Trachysphaeridium universalum	USSR(Russian Platform)	Ordovician	Silurian
Trachysphaeridium	Trachysphaeridium universalum	USSR(Yaroslav)	Middle Ordovician
Trachytriletes	Trachytriletes asperatus	USSR(Russian Platform)	Ordovician	Silurian
Trachytriletes	Trachytriletes asperatus	USSR(Leningrad)	Early Gothlandian
Trachytriletes	Trachytriletes hyalinus	USSR(Russian Platform)	Ludlovian
Trachytriletes	Trachytriletes hyalinus	USSR	Early Cambrian
Trachytriletes	Trachytriletes incrassatus	USSR(Russian Platform)	Ordovician	Silurian
Trachytriletes	Trachytriletes incrassatus	USSR	Early Cambrian
Trematosphaeridium	Trematosphaeridium sp.1 sp. nov.	USSR(Russian Platform)	Tremadocian	Early Gothlandian
Trematosphaeridium	Trematosphaeridium sp.2 sp. nov.	USSR(Russian Platform)	Late Ordovician	Silurian
Uniporata	Uniporata aculeata	USSR(Russian Platform)	Ordovician	Silurian
Uniporata	Uniporata bifurcata	USSR(Russian Platform)	Tremadocian