Arthropods of Burgess Shale type from the Middle Cambrian of Bohemia (Czech Republic)
Authors:
Chlupáč I, Kordule V
Published in:
Bulletin of Geosciences, volume 77, issue 3;
pages: 167 - 182;
Received 4 April 2002;
Accepted in revised form 29 April 2002;
Keywords:
Arthropoda,
Phyllocarida and incertae sedis,
Middle Cambrian,
Barrandian area,
Czech Republic,
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Abstract
Rare non-trilobite arthropods, mostly with affinities with the Burgess Shale fauna, are described from the Middle Cambrian Jince Formation of the Barrandian area, Central Bohemia (Czech Republic):
Tuzoia sp., another large
Tuzoia-like arthropod (probably a new genus),
Proboscicaris hospes sp. n.,
Helmetia? fastigata sp. n., and
Forfexicaris? sp. The status of
Pilocystites primitius Barrande, 1887, formerly ranged with echinoderms but here recognized as a
Tuzoia fragment, is discussed. Most of described arthropods (except
Forfexicaris? sp.) are thought to be nektobenthic animals of a shallow-water environment, possibly tolerant to some salinity fluctuations. Relationships, particularly to North American faunas, indicate open migration possibilities between Laurentia and peri-Gondwana regions during the Middle Cambrian.