Gastropod parasitism on Late Cretaceous to Early Paleocene holasteroid echinoids — Evidence from Oichnus halo isp. n.
Keywords: بیو هیدروژن; MB.E, Museum für Naturkunde Berlin, Echinoderm collection; NRM, Naturhistoriska Riksmuseet StockholmParasitism; Bioerosion; Trace fossil; Oichnus halo; Eulimidae; Thyca; Echinoids; Echinocorys