Author:
Shulgina,N.I.;Burdykina,M.D.;Basov,V.A.;…rhus,N.
Year:
1994
Title:
Distribution of ammonites, foraminifera and dinoflagellate cysts in the Lower Cretaceous reference sections of Khatanga Basin, and Boreal Valanginian biogeography.
Reference:
Shulgina,N.I. et al. (1994) Distribution of ammonites, foraminifera and dinoflagellate cysts in the Lower Cretaceous reference sections of Khatanga Basin, and Boreal Valanginian biogeography. Cretaceous Research Vol. 15 # 1 P. 1- 16
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Genus Species Country(Region) From To
Trichodinium Trichodinium speetonense USSR(Siberia) Berriasian Early Hauterivian
Tubotuberella Tubotuberella apatela USSR(Siberia) Berriasian Valanginian
Valensiella Valensiella ovulum USSR(Siberia) Berriasian Valanginian
Wallodinium Wallodinium krutzschii USSR(Siberia) Berriasian Valanginian