Author:
Eyde,R.H.;Barghoorn,E.S.
Year:
1963
Title:
Morphological and paleobotanical studies of the Nyssaceae.II. The fossil record.
Reference:
Eyde,R.H. et al. (1963) Morphological and paleobotanical studies of the Nyssaceae.II. The fossil record. Journal of the Arnold Arboretum Vol. 44 # 3 P. 328- 370
Google Academy:
try to search by title in english
Genus Species Country(Region) From To
Nyssaceae Nyssaceae USSR(Kazakh SSR) Eocene Miocene
Nyssaceae Nyssaceae USSR(Kazakh SSR) Oligocene
Nyssaceae Nyssaceae USSR(WSL) Early Oligocene
Nyssaceae Nyssaceae USSR(Siberia) Paleocene