Author:
Volkova,N.A.
Year:
1982
Title:
The age of the Ulgazek Series at the Cambrian - Ordovician contact in Estonia.
Foreign title:
O vozraste Yul'Gazeskoi Pachki na Granitse Kembriya i Ordovika v Esonii
Reference:
Volkova,N.A. (1982) The age of the Ulgazek Series at the Cambrian - Ordovician contact in Estonia. [ O vozraste Yul'Gazeskoi Pachki na Granitse Kembriya i Ordovika v Esonii ] Sovetskaya Geologiya Vol. 1982 # 9 P. 85- 88
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Genus Species Country(Region) From To
Leiosphaeridia Leiosphaeridia sp USSR(Estonian SSR) Cambrian Tremadocian
Micrhystridium Micrhystridium sp USSR(Estonian SSR) Cambrian Tremadocian
Multiplicisphaeridium Multiplicisphaeridium martae USSR(Estonian SSR) Middle Cambrian Late Cambrian
Retisphaeridium Retisphaeridium sp USSR(Estonian SSR) Cambrian Tremadocian
Stelliferidium Stelliferidium cortinulum USSR(Estonian SSR) Tremadocian
Stelliferidium Stelliferidium simplex USSR(Estonian SSR) Tremadocian
Stelliferidium Stelliferidium sp USSR(Estonian SSR) Cambrian Tremadocian
Stelliferidium Stelliferidium stelligerum USSR(Estonian SSR) Tremadocian
Timofeevia Timofeevia lancariae USSR(Estonian SSR) Middle Cambrian
Timofeevia Timofeevia phosphoritica USSR(Estonian SSR) Middle Cambrian
Timofeevia Timofeevia sp USSR(Estonian SSR) Middle Cambrian
Veryhachium Veryhachium dumontii USSR(Estonian SSR) Cambrian Tremadocian
Veryhachium Veryhachium sp USSR(Estonian SSR) Cambrian Tremadocian
Vulcanisphaera Vulcanisphaera capillata USSR(Estonian SSR) Tremadocian