Sphenolepsis
- Citations total:
- 1
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| details | Early Cretaceous | USSR(Siberia) | Papulov,G.N. et al. Problems of zonal biostratigraphy of Cretacous of the southwestern part of the West Siberian Plain. (In: Stages and Zonation scale of the Boreal Mesozoic of the USSR. V.A.Solovev, editor) | 1989 |