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• Symbiotic worm endobionts in a stromatoporoid from the rhuddanian (Early Silurian) of Hiiumaa, EstoniaVinn, Olev; Wilson, Mark A.; Mõtus, Mari-AnnPalaios2013 / p. 863 - 866 https://www.jstor.org/stable/43683759?seq=3 https://doi.org/10.2110/palo.2013.078 https://www.scopus.com/sourceid/14004 https://www.scopus.com/record/display.uri?eid=2-s2.0-84900536808&origin=resultslist&sort=plf-f&src=s&sot=b&sdt=b&s=DOI%2810.2110%2Fpalo.2013.078%29 https://jcr.clarivate.com/jcr-jp/journal-profile?journal=PALAIOS&year=2013 https://www.webofscience.com/wos/woscc/full-record/WOS:000337120300010
• Trace fossils from the Ordovician-Silurian boundary beds of Estonia (Baltica)Moghalu, Ogechukwu Ann; Hints, Olle; Toom, UrsulaXI Baltic Stratigraphical Conference : abstracts and field guide2024 / p. 28 https://www.ester.ee/record=b5696260*est https://files.geocollections.info/0c8086e6-7421-467a-b0c2-2f9964fd0bb5.pdf