• Two early cheirurine trilobites and their later relatives in the Ordovician of BaltoscandiaEbbestad, Jan Ove R.; Pärnaste, Helje; Høyberget, Magne; Nielsen, Arne Thorshøj; Rojo, Maximo AlfonsoNorwegian journal of geology2025 / 46 p. : ill https://doi.org/10.17850/njg105-2-3 https://jcr.clarivate.com/jcr-jp/journal-profile?journal=NORW%20J%20GEOL&year=2024 https://www.webofscience.com/wos/woscc/full-record/WOS:001573848800001