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Carnets de Géologie
An enrolled exoskeleton of the holaspid specimen of a tiny agnostid Peronopsis integra (BEY-RICH, 1845) entombed inside a conch of the hyolithid ?Buchavalites sp. is described from the middle Cambrian (Drumian) Jince Formation of the Příbram-Jince Basin (Czech Republic). The agnostid is associated with an ichnofossil of the feeding trace classified as Arachnostega-type behaviour. The enrolled attitude of the agnostid exoskeleton suggests that the specimen is a carcass rather than moult. Eitherdoi:10.4267/2042/54000 fatcat:fvqho7npxvfyhkmxizdvsc42sm