Earliest symbiotic rugosans in cystoporate bryozoan Ceramopora intercellata Bassler, 1911 from Late Ordovician of Estonia (Baltica)Vinn, Olev; Ernst, Andrej; Toom, UrsulaPalaeogeography, palaeoclimatology, palaeoecology2016 / p. 140-144 : ill https://doi.org/10.1016/j.palaeo.2016.08.016

Early symbiotic rugosan endobionts in stromatoporoidsfrom the Rhuddanian of Estonia (Baltica)Vinn, Olev; Toom, UrsulaLethaia2017 / p. 237-243 : ill http://dx.doi.org/10.1111/let.12190

Endobiotic rugose coral symbionts in Silurian tabulate corals from Estonia (Baltica)Vinn, Olev; Liang, Kun; Toom, UrsulaPalaios2017 / p. 158-165 : ill https://doi.org/10.2110/palo.2016.084

Intergrowth of Orbignyella germana Bassler, 1911 (Bryozoa) and Lambelasma carinatum Weyer, 1993 (Rugosa) in the pelmatozoan-bryozoan-receptaculitid reefs from the Late Ordovician of EstoniaVinn, Olev; Toom, Ursula; Ernst, AndrejPalaeontologia electronica2018 / art. 21.1.4A, 7 p : ill https://doi.org/10.26879/818 Journal metrics at Scopus Article at Scopus Journal metrics at WOS Article at WOS

Rare rugosan-bryozoan intergrowth from the Upper Ordovician of EstoniaVinn, Olev; Ernst, Andrej; Toom, UrsulaCarnets de geologie2017 / p. 145-151 : ill http://dx.doi.org/10.4267/2042/62664

Rugosan epibionts on vertical stems from the Ludlow and Pridoli of Saaremaa, Estonia (Baltica)Vinn, Olev; Toom, UrsulaPalaios2016 / p. 35-40 : ill http://dx.doi.org/10.2110/palo.2015.051