• Ichnogenus Trypanites in the Ordovician of Estonia (Baltica)Toom, Ursula; Kuva, Jukka; Knaust, DirkEstonian journal of earth sciences2023 / p. 106-109 : ill https://doi.org/10.3176/earth.2023.48 https://www.scopus.com/sourceid/6000195392 https://www.scopus.com/record/display.uri?eid=2-s2.0-85168486216&origin=inward&txGid=06de5a539449ce5a7be742995a4f5e3f https://jcr.clarivate.com/jcr-jp/journal-profile?journal=EST%20J%20EARTH%20SCI&year=2023 https://www.webofscience.com/wos/woscc/full-record/WOS:001015399200012
  • Two almost-forgotten Trypanites ichnospecies names for the most common Palaeozoic macroboringKnaust, Dirk; Dronov, Andrei V.; Toom, UrsulaPapers in palaeontology2023 / art. e1491, 17 p. : ill https://doi.org/10.1002/spp2.1491 https://www.scopus.com/sourceid/21100399483 https://www.scopus.com/record/display.uri?eid=2-s2.0-85165458790&origin=inward&txGid=b4f245bc29147088805297e7f9bfcb2e https://jcr.clarivate.com/jcr-jp/journal-profile?journal=PAP%20PALAEONTOL&year=2023 https://www.webofscience.com/wos/woscc/full-record/WOS:000982726700001