• Cystoblastus and the origin of the Hemicosmitoida (Echinodermata: Blastozoa)Paul, Christopher R. C.; Toom, UrsulaEstonian journal of earth sciences2021 / p. 165-181 : ill https://doi.org/10.3176/earth.2021.13 https://www.scopus.com/sourceid/6000195392 https://www.scopus.com/record/display.uri?eid=2-s2.0-85114678346&origin=inward&txGid=31575ac79352cedbee4e425178668e43 https://jcr.clarivate.com/jcr-jp/journal-profile?journal=EST%20J%20EARTH%20SCI&year=2022 https://www.webofscience.com/wos/woscc/full-record/WOS:000698455500001