- Borings and bioclaustrations in bryozoans from the Kunda Regional Stage (Darriwilian; Middle Ordovician) of northern Estonia and NW RussiaVinn, Olev; Ernst, Andrej; Wilson, Mark A.; Toom, UrsulaNeues Jahrbuch für Geologie und Paläontologie - Abhandlungen2022 / p. 219-225 : map https://doi.org/10.1127/njgpa/2022/1044 Journal metrics at Scopus Article at Scopus Journal metrics at WOS Article at WOS
- Conch structures, soft-tissue imprints and taphonomy of the Middle Ordovician cephalopod Tragoceras falcatum from EstoniaPohle, Alexander; Klug, Christian; Toom, Ursula; Kröger, BjörnFossil Imprint2019 / p. 70-78 : ill https://doi.org/10.2478/if-2019-0006 Journal metrics at Scopus Article at Scopus
- Symbiosis in brachiopods and brachiopod-attached trepostome bryozoans from the Katian of EstoniaVinn, Olev; Ernst, Andrej; Wilson, Mark A.; Tinn, Oive; Isakar, Mare; Toom, UrsulaNeues Jahrbuch für Geologie und Paläontologie - Abhandlungen2023 / p. 41−50 http://doi.org/10.1127/njgpa/2023/1111
- 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