Protosphaeridium crispum

Citations total:
5
link From To Geolocation Author - title Year
details Late Proterozoic USSR(WSL) Timofeev,B.V. Spheromorphids of the Proterozoic 1969
details Riphean USSR(Komi ASSR) Timofeev,B.V. The age of metamorphic species of the Timanskiy Kryash and of ancient Suites of South-West Pritimanya. (In:Mikrofitofossilii Proterozoya i Rannego Paleozoya SSSR. B.V.Timofeev, editor) 1974
details Middle Cambrian Tremadocian USSR(Kazakh SSR) Borovikov,L.I. et al. Microfossils from Upper Precambrian and Lower Cambrian deposits of Southern Kazakhstan, (In: Precambrian and Early Cambrian paleontology-Theses of reports to the All-Union paleontological Symposium) 1976
details Riphean USSR(Siberia) Timofeev,B.V. et al. Microfossils of the Precambrian, Cambrian and Ordovician. 1976
details Riphean USSR(Siberia) Ivanovskaya,A.V. et al. Distributions of phytoplankton of the Middle Riphean sediments formation. (In: Paleontology of the Precambrian and Early Cambrian.) 1979