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A new euarthropod with ‘great appendage’-like frontal head limbs from the Chengjiang Lagerstätte, Southwest China

Abstract : Bushizheia yangi gen. et sp. nov. is a euarthropod species from the Cambrian (Series 2, Stage 3) Chengjiang Lagerstätte, Southwest China. Sclerotised dorsal tergites, sclerotisation of post-frontal head limb appendages, and no isolated cephalic sclerite support the euarthropod affinities of B. yangi gen. et sp. nov. However, the frontal head limbs resemble in morphology the anteroventral raptorial appendage of radiodonts. Although, due to the absence of critical soft anatomy, we cannot elucidate the exact segmental affinities of these raptorial appendages, the possession of ‘great appendage’-like frontal head limbs is important for assessing the range of limb morphology evolved by early euarthropods.
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https://hal-mnhn.archives-ouvertes.fr/mnhn-03822566
Contributor : Denis AUDO Connect in order to contact the contributor
Submitted on : Thursday, October 20, 2022 - 1:55:22 PM
Last modification on : Friday, October 21, 2022 - 4:02:45 AM

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Robert O’flynn, Denis Audo, Mark Williams, Dayou Zhai, Hong Chen, et al.. A new euarthropod with ‘great appendage’-like frontal head limbs from the Chengjiang Lagerstätte, Southwest China. Palaeontologia Electronica, 2020, ⟨10.26879/1069⟩. ⟨mnhn-03822566⟩

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