• 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 https://www.scopus.com/sourceid/13985 https://www.scopus.com/record/display.uri?eid=2-s2.0-84989355090&origin=inward&txGid=e7f396e8508a80051a45e98eda58bacd https://jcr.clarivate.com/jcr-jp/journal-profile?journal=PALAEOGEOGR%20PALAEOCL&year=2023 https://www.webofscience.com/wos/woscc/full-record/WOS:000385599900012