• 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 https://www.scopus.com/sourceid/25103 https://www.scopus.com/record/display.uri?eid=2-s2.0-85125837474&origin=inward&txGid=e72f4574a5f3f23b0207f03ba3530021 https://jcr.clarivate.com/jcr-jp/journal-profile?journal=NEUES%20JAHRB%20GEOL%20P-A&year=2022 https://www.webofscience.com/wos/woscc/summary/e10c2cd7-31a0-4fab-b0ec-8892450688e3-bc453381/relevance/1
• 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 https://www.scopus.com/sourceid/21100790799 https://www.scopus.com/record/display.uri?eid=2-s2.0-85073790598&origin=inward&txGid=2d96c7836689db01ec784844b079860f
• Some encrusted hardgrounds from the Ordovician of Estonia (Baltica)Vinn, Olev; Toom, UrsulaCarnets de Geologie2015 / p. 63 - 70 https://doi.org/10.4267/2042/56744 https://www.scopus.com/sourceid/7000153259 https://www.scopus.com/record/display.uri?eid=2-s2.0-84934764367&origin=inward&txGid=a55c34788b0c33caee85f66fb773f71e
• 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 https://doi.org/10.1127/njgpa/2023/1111 https://www.scopus.com/sourceid/25103 https://www.scopus.com/record/display.uri?eid=2-s2.0-85148570476&origin=inward&txGid=d532e672f67e5f46d3f7d218a44a0111 https://jcr.clarivate.com/jcr-jp/journal-profile?journal=NEUES%20JAHRB%20GEOL%20P-A&year=2023 https://www.webofscience.com/wos/woscc/full-record/WOS:000924354600001
• 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 https://www.scopus.com/sourceid/13916 https://www.scopus.com/record/display.uri?eid=2-s2.0-85111691594&origin=inward&txGid=f28e36e454d080a1b377b1bd8a6e4af4 https://jcr.clarivate.com/jcr-jp/journal-profile?journal=HIST%20BIOL&year=2022 https://www.webofscience.com/wos/woscc/full-record/WOS:000679216400001