Sphaerasaccus glabellus Steemans, Higgs et Wellman, 2000

Selection of related publications
Vecoli, M., Delabroye, A., Spina, A., Hints, O. 2011. Cryptospore assemblages from Upper Ordovician (Katian–Hirnantian) strata of Anticosti Island, Québec, Canada, and Estonia: Palaeophytogeographic and palaeoclimatic implications. Review of Palaeobotany and Palynology 166, 1-2, 76-93. DOI:10.1016/j.revpalbo.2011.05.006
References based on distribution