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• Early Silurian recovery of Baltica crinoids following the end-Ordovician extinctions (Llandovery, Estonia)Ausich, William I.; Wilson, Mark A.; Toom, UrsulaJournal of paleontology2020 / p. 521-530 : ill https://doi.org/10.1017/jpa.2019.89 https://www.scopus.com/sourceid/13939 https://www.scopus.com/record/display.uri?eid=2-s2.0-85083960667&origin=inward&txGid=2d8f3c7b308da1906064a903bf2289c9 https://jcr.clarivate.com/jcr-jp/journal-profile?journal=J%20PALEONTOL&year=2022 https://www.webofscience.com/wos/woscc/full-record/WOS:000527812000010
• New crinoids from the Baltic region (Estonia): fossil tip-dating phylogenetics constrains the origin and Ordovician–Silurian diversification of the Flexibilia (Echinodermata)Wright, David F.; Toom, UrsulaPalaeontology2017 / p. 893-910 : ill https://doi.org/10.1111/pala.12324 https://www.scopus.com/sourceid/14003 https://www.scopus.com/record/display.uri?eid=2-s2.0-85030696142&origin=inward&txGid=aa850611946c8e3c9bdc5cd0d68d117c https://jcr.clarivate.com/jcr-jp/journal-profile?journal=PALAEONTOLOGY&year=2017 https://www.webofscience.com/wos/woscc/full-record/WOS:000412405100009
• Site-selective parasitic embedment structures on middle silurian crinoid column material from Western EstoniaThomka, James; Vinn, Olev; Toom, UrsulaGeological Society of America Abstracts with Programs, vol 53, no. 62021 / paper no. 94-3 https://doi.org/10.1130/abs/2021AM-371144
• Tremichnus in crinoid pluricolumnals from the Silurian of western Estonia (Baltica)Vinn, Olev; Wilson, Mark A.; Ausich, William I.; Toom, UrsulaCarnets de Geologie2015 / p. 239 - 243 https://doi.org/10.4267/2042/57951
• Uut liiki ürgne meriliilia sai nime Tallinna ja Eesti geoloogi järgiEesti Ekspress2021 / Lk. 9 : fot https://dea.digar.ee/article/eestiekspress/2021/01/06/9.12