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
Ooidium Ooidium unicum sp. nov. USSR(Kalinin) Llandoverian
Peteinosphaeridium Peteinosphaeridium arbusculiferum USSR(Russian Platform) Late Ordovician Early Gothlandian
Peteinosphaeridium Peteinosphaeridium arbusculiferum England(Shropshire) Wenlockian
Peteinosphaeridium Peteinosphaeridium brevifurcatum USSR(Russian Platform) Ordovician
Peteinosphaeridium Peteinosphaeridium brevifurcatum USSR(Estonian SSR) Llanvirnian
Peteinosphaeridium Peteinosphaeridium brevifurcatum Baltic Late Llandoverian
Peteinosphaeridium Peteinosphaeridium nudum USSR(Estonian SSR) Llanvirnian
Peteinosphaeridium Peteinosphaeridium nudum USSR(Latvian SSR) Llanvirnian
Peteinosphaeridium Peteinosphaeridium nudum USSR(Russian Platform) Early Ordovician Middle Ordovician
Peteinosphaeridium Peteinosphaeridium paucifurcatum USSR(Russian Platform) Early Ordovician
Peteinosphaeridium Peteinosphaeridium rarum USSR(Russian Platform) Middle Ordovician
Peteinosphaeridium Peteinosphaeridium rarum England(Shropshire) Wenlockian
Peteinosphaeridium Peteinosphaeridium snigirevskaiae USSR(Russian Platform) Llanvirnian Early Gothlandian
Peteinosphaeridium Peteinosphaeridium snigirevskaiae Belgium Tarannon
Peteinosphaeridium Peteinosphaeridium trifurcatum USSR(Russian Platform) Middle Ordovician Llanvirnian
Peteinosphaeridium Peteinosphaeridium trifurcatum USSR(Russian Platform) Caradocian
Poikilofusa Poikilofusa striata USSR(Russian Platform) Tremadocian