Open AccessPermotheca with in situ pollen grains from the Lower Permian of the Urals
Author(s) -
Valentin A. Krassilov,
Sergey A. Afonin,
Sergey V. Naugolnykh
Publication year - 1999
Publication title -
journal of palaeosciences
Language(s) - English
Resource type - Journals
ISSN - 2583-4266
DOI - 10.54991/jop.1999.1287
Subject(s) - pollen , permian , sporangium , botany , paleontology , biology , in situ , geology , chemistry , spore , organic chemistry , structural basin