Possible drill holes and pseudoborings in obolid shells from the Cambrian/Ordovician boundary beds of Estonia and the uppermost Cambrian of NW RussiaVinn, Olev; Holmer, Lars E.; Wilson, Mark A.; Isakar, Mare; Toom, UrsulaHistorical Biology : An International Journal of Paleobiology2021 / p. 3579-3584 https://doi.org/10.1080/08912963.2021.1878355 Journal metrics at Scopus Article at Scopus Journal metrics at WOS Article at WOS

Symbiosis in trepostome bryozoans from the Sandbian (Late Ordovician) of EstoniaVinn, Olev; Ernst, Andrej; Wilson, Mark A.; Toom, UrsulaHistorical Biology : An International Journal of Paleobiology2022 / p. 1029-1038 : ill., map https://doi.org/10.1080/08912963.2021.1959579 Journal metrics at Scopus Article at Scopus Journal metrics at WOS Article at WOS