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

Borings in phosphatized Cambrian siltstone pebbles, Estonia (Baltica)Vinn, Olev; Toom, UrsulaGeological magazine2016 / p. 635-642 : ill https://doi.org/10.1017/S001675681500076X Journal metrics at Scopus Article at Scopus Journal metrics at WOS Article at WOS

Did stalked echinoderms bioerode calcareous substrates? A possible boring crinoid attachment structure in a stromatoporoid from the early Silurian (Telychian) of EstoniaVinn, Olev; Ausich, William I.; Wilson, Mark A.; Toom, UrsulaPaläontologische Zeitschrift PalZ2023 / p. 37-41 https://doi.org/10.1007/s12542-022-00637-3 Journal metrics at Scopus Article at Scopus Journal metrics at WOS Article at WOS

Evolution of a Katian tropical hardgroundToom, Ursula; Kröger, Björn; Knaust, Dirk; Moghalu, Ogechukwu Ann; Vöröš, Dominik; Vodrážková, StanislavaXI Baltic Stratigraphical Conference : abstracts and field guide2024 / p. 39 https://www.ester.ee/record=b5696260*est https://files.geocollections.info/95c3f9cd-1a5f-428b-a1a6-517682aced9d.pdf

Ichnogenus Trypanites in the Ordovician of Estonia (Baltica)Toom, Ursula; Kuva, Jukka; Knaust, DirkEstonian journal of earth sciences2023 / p. 106-109 : ill https://doi.org/10.3176/earth.2023.48 Journal metrics at Scopus Article at Scopus Journal metrics at WOS Article at WOS

Links between bioerosion and oversized benthic fossils : insights from the Upper Ordovician of Estonia, BalticaToom, Ursula; Isakar, Mare; Vinn, Olev; Hints, OlleLille 2021 : Ordovician of the World : programme with abstracts2021 / p. 76-77 https://docplayer.net/219093593-Programme-with-abstracts-2021-virtual-annual-meeting-of-igcp-virtual-annual-meeting-of-igcp-735.html

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

A sparsely encrusted hardground with abundant Trypanites borings from the Llandovery of the Velise River, western Estonia (Baltica)Vinn, Olev; Toom, UrsulaEstonian journal of earth sciences2016 / p. 19-26 : ill https://artiklid.elnet.ee/record=b2760752*est https://doi.org/10.3176/earth.2016.01 Journal metrics at Scopus Article at Scopus Journal metrics at WOS Article at WOS

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 Journal metrics at Scopus Article at Scopus Journal metrics at WOS Article at WOS

Symbiotic worms in the inner aragonitic layer of Leptodesma (Bivalvia) from the Přídolí (Upper Silurian) of Saaremaa Island, EstoniaVinn, Olev; Wilson, Mark A.; Isakar, Mare; Toom, UrsulaPalZ2021 / p. 231–236 https://doi.org/10.1007/s12542-021-00554-x Journal metrics at Scopus Article at Scopus Journal metrics at WOS Article at WOS

Two almost-forgotten Trypanites ichnospecies names for the most common Palaeozoic macroboringKnaust, Dirk; Dronov, Andrei V.; Toom, UrsulaPapers in palaeontology2023 / art. e1491, 17 p. : ill https://doi.org/10.1002/spp2.1491 Journal metrics at Scopus Article at Scopus Journal metrics at WOS Article at WOS

Where did the Ordovician Bioerosional Revolution begin?Toom, Ursula; Kröger, Björn; Kuva, Jukka; Laska, W.; Moghalu, Ogechukwu AnnICHNIA 2024 - The 5th International Congress on Ichnology. Celebrating One Ichnology!2024 / p. 279–280 https://kirjandus.geoloogia.info/en/reference/49268

A Balanoglossites-Trypanites ichnofabric from the Upper Ordovician warm-water carbonates of EstoniaToom, Ursula; Kröger, Björn; Knaust, DirkFollowing in the footsteps of Richard Granville Bromley : abstracts and field guide2023 / p. 38 : ill https://www.researchgate.net/publication/375450713_Following_in_the_footsteps_of_Richard_Granville_Bromley_abstracts_and_field_guide_17th_International_Ichnofabric_Workshop_23-29_October_2023_in_Faxe_Denmark