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Sophisticated digestive systems in early arthropods
Understanding the way in which animals diversified and radiated during their early evolutionary history remains one of the most captivating of scientific challenges. Integral to this is the ‘Cambrian explosion...
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Open AccessA sclerite-bearing stem group entoproct from the early Cambrian and its implications
The Lophotrochozoa includes disparate tentacle-bearing sessile protostome animals, which apparently appeared in the Cambrian explosion, but lack an uncontested fossil record. Here we describe abundant well pre...
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Liu et al. reply
Replying to R. C. P. Mounce & M. Wills Nature 476, 10.1038/nature10266 (2011); D. A. Legg et al. Nature 476 10.1038/nature10267 (2011)
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An armoured Cambrian lobopodian from China with arthropod-like appendages
Jointed limbs in arthropods are a key innovation that facilitated the evolution of the world's most species-rich animal group. Their ancestors may lie among a group of extinct animals called lobopodians, which...
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Comparative study of Cambrian lobopods Miraluolishania and Luolishania
The rare fossil Miraluolishania described by Liu et al. from the Lower Cambrian Chengjiang Lagerstätte in 2004 is regarded as an arthropod sphinx because it bears mosaic features of both lobopods and arthropods. ...
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Preliminary notes on soft-bodied fossil concentrations from the Early Cambrian Chengjiang deposits
The efforts of labor-intensive collecting in the Early Cambrian Chengjiang deposits in eastern Yunnan Province, China led to the discovery of many horizons containing exceptionally well preserved soft-bodied f...
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New observations of the lobopod-like worm Facivermis from the early cambrian Chengjiang Lagerstätte
Facivermis yunnanicus (Hou & Chen, 1989), from the Early Cambrian Chengjiang Lagerstätte, a worm-like fossil with 5 pairs of tentacles and a perceived shrunken end, has been regarded as related to polychaetes, l...
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The earliest-known ancestors of Recent Priapulomorpha from the Early Cambrian Chengjiang Lagerstätte
The taxonomy of an early ancestor of Recent Priapulidae,**aoheiqingella peculiaris (=Yunnanpriapulus halteroformis Huang et al., 2004) from the Early Cambrian Chengjiang fossil Lagerstätte, is revised. Morphologi...
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A rare lobopod with well-preserved eyes from Chengjiang Lagerstätte and its implications for origin of arthropods
The origin of arthropods has long been one of the most hotly-debated subjects. Arthropods used to be thought closely related with annelids, but the two groups are now believed to be separated into two major re...