Author E. Landing Gerd Geyer Igor Jirkov Stefano Schiaparelli Julia Sigwart Landing, E., Geyer, Gerd, Jirkov, Igor, Schiaparelli, Stefano, Sigwart, Julia, 2021. Lophotrochozoa in the Cambrian evolutionary radiation and the Pelagiella problem. Papers in Palaeontology doi:10.1002/spp2.1396
