Author:
Hofmann,H.J.
Year:
1987
Title:
Paleoscene #7 -Precambrian biostratigraphy
Reference:
Hofmann,H.J. (1987) Paleoscene #7 -Precambrian biostratigraphy Geoscience Canada Vol. 14 # 3 P. 135- 154
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Genus Species Country(Region) From To
Polysphaeroides Polysphaeroides contextus USSR(Urals) Late Riphean Kudashian
Polythrichoides Polythrichoides lineatus USSR(Urals) Late Riphean Vendian
Polythrichoides Polythrichoides sp USSR(Ukrainian SSR) Vendian
Protosphaeridium Protosphaeridium flexuosum USSR(Urals) Riphean Kudashian
Protosphaeridium Protosphaeridium sp USSR(Urals) Riphean Vendian
Protosphaeridium Protosphaeridium vermium USSR(Urals) Middle Riphean Kudashian
Pterospermopsimorpha Pterospermopsimorpha sp USSR(Urals) Middle Riphean Vendian
Pterospermopsis Pterospermopsis dubius USSR(Urals) Late Riphean
Pterospermopsis Pterospermopsis simicus USSR(Urals) Late Riphean
Rudniana Rudniana sp USSR(Urals) Vendian
Satka Satka elongata USSR(Urals) Middle Riphean Late Riphean
Satka Satka favosa USSR(Urals) Early Riphean Middle Riphean
Satka Satka granulosa USSR(Urals) Vendian
Siphonophycus Siphonophycus costatus USSR(Urals) Late Riphean Kudashian
Siphonophycus Siphonophycus kestron USSR(Urals) Late Riphean
Stictosphaeridium Stictosphaeridium implexum USSR(Ukrainian SSR) Vendian
Stictosphaeridium Stictosphaeridium sp USSR(Urals) Riphean