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Silurian field excursions-prague Basin (Barrandian), bohemia
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Early Cambrian origin of modern food webs: evidence from predator arrow worms
TLDR
The results point to the early introduction of prey–predator relationships into the pelagic realm, and to the increase of trophic complexity (three-level structure) during the Precambrian–Cambrian transition, thus laying the foundations of present-day marine food chains.
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Gut Contents as Direct Indicators for Trophic Relationships in the Cambrian Marine Ecosystem
  • J. Vannier
  • Environmental Science, Geography
    PloS one
  • 26 December 2012
TLDR
The recognition of generalist feeding strategies, exemplified by Ottoia, reveals key-aspects of modern-style trophic complexity in the immediate aftermath of the Cambrian explosion and shows that the middle Cambrian ecosystem was already too complex to be understood in terms of simple linear dynamics and unique pathways.
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Recent Priapulidae and their Early Cambrian ancestors: comparisons and evolutionary significance
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Spinicaudatans and ostracods (Crustacea) from the Montceau Lagerstätte (Late Carboniferous, France): morphology and palaeoenvironmental significance
TLDR
Spinicaudatans and ostracods form two components of the diverse arthropod fauna from the Montceau Lagerstatte, indicating that the group had already colonized continental waters by the Late Carboniferous.
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The Early Cambrian origin of thylacocephalan arthropods
Zhenghecaris shankouensis gen. et sp. nov. is one of the largest “bivalved” arthropods of the Lower Cambrian Maotianshan Shale fauna. Its non−mineralized carapace was dome−like, laterally compressed,…
Arthropod visual predators in the early pelagic ecosystem: evidence from the Burgess Shale and Chengjiang biotas
TLDR
The case of Isoxys supports the idea that off-bottom animal interactions such as predation, associated with complex feeding strategies and behaviours (e.g. vertical migration and hunting) were established by the Early Cambrian and suggests that a prototype of a pelagic food chain had already started to build-up at least in the lower levels of the water column.
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Priapulid worms: Pioneer horizontal burrowers at the Precambrian-Cambrian boundary
The major evolutionary events that characterize the Precambrian–Cambrian transition are accompanied by profound ecological changes in the composition of benthic communities, the nature of the…
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Biogeography and affinities of the bradoriid arthropods: Cosmopolitan microbenthos of the Cambrian seas
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Digestive system and feeding mode in Cambrian naraoiid arthropods
TLDR
Fossil evidence adds to other fossil evidence supporting the idea that predation played a key role in the Early Cambrian food-webs and that organs adapted for this purpose had already reached a high level of diversity and anatomical sophistication.
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