• The trace fossil Arachnostega in the ordovician of Estonia (Baltica)Vinn, Olev; Wilson, Mark A.; Zatoń, Michał; Toom, UrsulaPalaeontologia electronica2014 / art. 40A, 9 p. : ill https://doi.org/10.26879/477 https://www.scopus.com/sourceid/14002 https://www.scopus.com/record/display.uri?eid=2-s2.0-84911499044&origin=inward&txGid=6fcef8a9e4fda760d04ffeff3d21a38c https://jcr.clarivate.com/jcr-jp/journal-profile?journal=PALAEONTOL%20ELECTRON&year=2014 https://www.webofscience.com/wos/woscc/full-record/WOS:000345393600011