Acritarcha

Peteinosphaeridium Staplin, Jansonius et Pocock, 1965

Selection of related publications
Uutela, A. & Tynni, R. 1991. Ordovician acritarchs from the Rapla borehole, Estonia. Geological Survey of Finland. Bulletin 353, 5-135.
Bockelie, T. G. & Kjellström, G. 1979. Acritarchs from the Uhaku Stage (Middle Ordovician) of the island of Odinsholm (Osmussaare), Estonia. GFF 101, 3, 205-216. DOI:10.1080/11035897909448574
References based on distribution