Journal
NEUES JAHRBUCH FUR GEOLOGIE UND PALAONTOLOGIE-ABHANDLUNGEN
Volume 259, Issue 2, Pages 207-215Publisher
E SCHWEIZERBARTSCHE VERLAGSBUCHHANDLUNG
DOI: 10.1127/0077-7749/2011/0115
Keywords
Agnostid palaeoecology; Drumian; Cambrian; Jince Formation; Barrandian area; Pribram-Jince Basin; Czech Republic
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Funding
- Czech Science Foundation [205/06/0395, 205/09/1521, MSM 0021620855]
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Occurrence of three entirely preserved articulated exoskeletons of holaspid specimens of the agnostid Peronopsis integra (BEYRICH, 1845) entombed under and/or within different parts of carapaces of the large polymerid trilobite species Paradoxides (Hydrocephalus) minor (BOECK, 1827) are described from the Jince Formation (Drumian) of the Pribram-Jince Basin. Conchicolous habit and/or feeding of the tiny Peronopsis on deteriorating soft parts of large carcasses of Paradoxides are proposed as two plausible explanations for entombment of the agnostid specimen. Both of these hypotheses support a benthic mode of life for the agnostid Peronopsis, and perhaps for all agnostids.
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