Author:
Umnova,N.I.;Vanderflint,E.K.
Year:
1971
Title:
Acritarch assemblages from the Cambrian and Early Ordovician sediments of western and northwestern Russian Platform. (In: Palynology research in Byelorussia and other Regions of the USSR)
Foreign title:
Kompleksy akritarkh kembriiskikh i nizhneordovik skikh otlozhenii zapada i severozapada Russkoi Platformy. (In: Palinologicheskie issledovaniya v Belorussii i Drugikh Raionah SSSR)
Reference:
Umnova,N.I. et al. (1971) Acritarch assemblages from the Cambrian and Early Ordovician sediments of western and northwestern Russian Platform. (In: Palynology research in Byelorussia and other Regions of the USSR) [ Kompleksy akritarkh kembriiskikh i nizhneordovik skikh otlozhenii zapada i severozapada Russkoi Platformy. (In: Palinologicheskie issledovaniya v Belorussii i Drugikh Raionah SSSR) ] Nauka i Tekhniki,Minsk, Belnigri P. 45- 72
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Genus Species Country(Region) From To
Leiominuscula Leiominuscula minuta USSR(Russian Platform) Early Cambrian
Leiopsophosphaera Leiopsophosphaera minutissima USSR(Russian Platform) Cambrian Tremadocian
Leiopsophosphaera Leiopsophosphaera accreta USSR(Russian Platform) Cambrian Tremadocian
Leiopsophosphaera Leiopsophosphaera rarorugosa USSR(Russian Platform) Early Cambrian
Leiopsophosphaera Leiopsophosphaera aperta USSR(Russian Platform) Early Cambrian Middle Cambrian
Leiopsophosphaera Leiopsophosphaera plicata USSR(Russian Platform) Tremadocian
Leiopsophosphaera Leiopsophosphaera simplicissima USSR(Russian Platform) Early Cambrian
Leiopsophosphaera Leiopsophosphaera minor USSR(Russian Platform) Tremadocian
Leiopsophosphaera Leiopsophosphaera eisenackia USSR(Russian Platform) Tremadocian
Leiosphaeridia Leiosphaeridia tenuissima USSR(Russian Platform) Tremadocian
Protoleiosphaeridium Protoleiosphaeridium conglutinatum USSR(Russian Platform) Early Cambrian
Protoleiosphaeridium Protoleiosphaeridium sp USSR(Russian Platform) Early Cambrian Middle Cambrian
Trachypsophosphaera Trachypsophosphaera minutissima USSR(Russian Platform) Cambrian Tremadocian
Trachypsophosphaera Trachypsophosphaera universala USSR(Russian Platform) Cambrian Tremadocian
Trachypsophosphaera Trachypsophosphaera asperata USSR(Russian Platform) Cambrian Tremadocian
Trachypsophosphaera Trachypsophosphaera hyalina USSR(Russian Platform) Cambrian Tremadocian
Trachypsophosphaera Trachypsophosphaera pellucida USSR(Russian Platform) Early Cambrian