Author:
Butov,Y.P.
Year:
1986
Title:
Some problems of Pre-Mesozoic stratigraphy of Savan-Baikal Mountain Region. 2. New data on the age of Pre-Mesozoic deposits.
Foreign title:
Nekotorye problemy Domezozoiskoi stratigrafii Sayno-Baikal'Skoi Gornoi Oblasti Stat'Ya.2. Novye dannye o Vosraste Domezozoiskikh Tolshch
Reference:
Butov,Y.P. (1986) Some problems of Pre-Mesozoic stratigraphy of Savan-Baikal Mountain Region. 2. New data on the age of Pre-Mesozoic deposits. [ Nekotorye problemy Domezozoiskoi stratigrafii Sayno-Baikal'Skoi Gornoi Oblasti Stat'Ya.2. Novye dannye o Vosraste Domezozoiskikh Tolshch ] Byulleten Moskovskogo Obshchestva Ispytatelei Prirody, Otdel Geologicheskii Vol. 61 # 2 P. 91- 104
Google Academy:
try to search by title in english or foreign title
Genus Species Country(Region) From To
Margominuscula Margominuscula minor USSR(Buryat ASSR) Ordovician
Margominuscula Margominuscula sp USSR(Buryat ASSR) Ordovician Early Devonian
Margominuscula Margominuscula verrucosa USSR(Buryat ASSR) Cambrian Ordovician
Micrhystridium Micrhystridium sp USSR(Buryat ASSR) Cambrian Silurian
Micrhystridium Micrhystridium sp USSR(Buryat ASSR) Ordovician Early Devonian
Microconcentrica Microconcentrica sp USSR(Buryat ASSR) Cambrian Ordovician
Multiplicisphaeridium Multiplicisphaeridium cristatum USSR(Buryat ASSR) Ordovician Early Devonian
Orygmatosphaeridium Orygmatosphaeridium sp USSR(Buryat ASSR) Silurian
Orygmatosphaeridium Orygmatosphaeridium sp USSR(Buryat ASSR) Cambrian Silurian
Proaulopora Proaulopora rarissima USSR(Buryat ASSR) Cambrian Ordovician
Protosphaeridium Protosphaeridium densum USSR(Buryat ASSR) Cambrian Ordovician
Protosphaeridium Protosphaeridium densum USSR(Buryat ASSR) Cambrian Silurian
Protosphaeridium Protosphaeridium gibberosum USSR(Buryat ASSR) Ordovician Early Devonian
Retusotriletes Retusotriletes sp USSR(Buryat ASSR) Silurian Early Devonian
Stenozonotriletes Stenozonotriletes simplex USSR(Buryat ASSR) Ordovician Early Devonian
Stenozonotriletes Stenozonotriletes sp USSR(Buryat ASSR) Early Devonian
Sulcatosphaeridium Sulcatosphaeridium marginatum USSR(Buryat ASSR) Cambrian Ordovician