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The first dorsal-eyed bivalved arthropod and its significance for early arthropod evolution
Uppsala University, Disciplinary Domain of Science and Technology, Earth Sciences, Department of Earth Sciences, Palaeobiology.
Uppsala University, Disciplinary Domain of Science and Technology, Earth Sciences, Department of Earth Sciences, Palaeobiology.
2014 (English)In: GFF, ISSN 1103-5897, E-ISSN 2000-0863, Vol. 136, no 1, 80-84 p.Article in journal (Refereed) Published
Abstract [en]

A new bivalved arthropod Erjiecaris minusculo gen. et sp. nov. is described from the Lower Cambrian Chengjiang Lagerstatte, Yunnan, southwest China. It possesses mosaic features, such as the reduced shield that is dorsoventrally flattened, dorsally positioned eyes, ring-shaped somites and broad furcal rami. These provide an important link for assessing the evolutionary morphological gap between two distinctive Cambrian arthropod groups, crustaceanomorph and trilobite-like taxa. Thus, the new finding reported here in turn improves the understanding of the body plan of early arthropods and provides fresh insight into the evolution of the carapace/head shield and visual system.

Place, publisher, year, edition, pages
2014. Vol. 136, no 1, 80-84 p.
Keyword [en]
dorsal eye, bivalved carapace, Arthropoda, Cambrian, Chengjiang biota
National Category
Geology
Identifiers
URN: urn:nbn:se:uu:diva-227952DOI: 10.1080/11035897.2014.884627ISI: 000335945500017OAI: oai:DiVA.org:uu-227952DiVA: diva2:732988
Available from: 2014-07-07 Created: 2014-07-02 Last updated: 2017-12-05Bibliographically approved

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Budd, Graham E.

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