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dc.contributor.authorJiao, De-guang
dc.contributor.authorPates, Stephen
dc.contributor.authorLerosey-Aubril, Rudy
dc.contributor.authorOrtega-Hernández, Javier
dc.contributor.authorYang, Jie
dc.contributor.authorLan, Tian
dc.contributor.authorZhang, Xi-guang
dc.date.accessioned2021-11-12T16:47:29Z
dc.date.available2021-11-12T16:47:29Z
dc.date.issued2021-11-10
dc.date.submitted2021-07-08
dc.identifier.otherrsos211134
dc.identifier.urihttps://www.repository.cam.ac.uk/handle/1810/330584
dc.descriptionFunder: Herchel Smith Postdoctoral Fellowship (University of Cambridge)
dc.descriptionFunder: Museum of Comparative Zoology, Harvard University; Id: http://dx.doi.org/10.13039/100010952
dc.description.abstractStem-group euarthropods are important for understanding the early evolutionary and ecological history of the most species-rich animal phylum on Earth. Of particular interest are fossil taxa that occupy a phylogenetic position immediately crownwards of radiodonts, for this part of the euarthropod tree is associated with the appearance of several morphological features that characterize extant members of the group. Here, we report two new euarthropods from the Cambrian Stage 4 Guanshan Biota of South China. The fuxianhuiid Alacaris? sp. is represented by isolated appendages composed of a gnathobasic protopodite and an endite-bearing endopod of at least 20 podomeres. This material represents the youngest occurrence of the family Chengjiangocarididae, and its first record outside the Chengjiang and Xiaoshiba biotas. We also describe Lihuacaris ferox gen. et sp. nov. based on well-preserved and robust isolated appendages. Lihuacaris ferox exhibits an atypical combination of characters including an enlarged rectangular base, 11 endite-bearing podomeres and a hypertrophied distal element bearing 8–10 curved spines. Alacaris? sp. appendages display adaptations for macrophagy. Lihuacaris ferox appendages resemble the frontal appendages of radiodonts, as well as the post-oral endopods of chengjiangocaridid fuxianhuids and other deuteropods with well-documented raptorial/predatory habits. Lihuacaris ferox contributes towards the record of endemic biodiversity in the Guanshan Biota.
dc.languageen
dc.publisherThe Royal Society
dc.subjectOrganismal and evolutionary biology
dc.subjectResearch articles
dc.subjectChengjiangocarididae
dc.subjectDeuteropoda
dc.subjectEuarthropoda
dc.subjectFuxianhuiida
dc.subjectLihuacaris ferox
dc.subjectRadiodonta
dc.titleNew multipodomerous appendages of stem-group euarthropods from the Cambrian (Stage 4) Guanshan Konservat-Lagerstätte
dc.typeArticle
dc.date.updated2021-11-12T16:47:28Z
prism.issueIdentifier11
prism.publicationNameRoyal Society Open Science
prism.volume8
dc.identifier.doi10.17863/CAM.78028
dcterms.dateAccepted2021-10-04
rioxxterms.versionofrecord10.1098/rsos.211134
rioxxterms.versionAO
rioxxterms.versionVoR
rioxxterms.licenseref.urihttp://creativecommons.org/licenses/by/4.0/
dc.contributor.orcidPates, Stephen [0000-0001-8063-9469]
dc.contributor.orcidLerosey-Aubril, Rudy [0000-0003-2256-1872]
dc.contributor.orcidOrtega-Hernández, Javier [0000-0002-6801-7373]
dc.contributor.orcidLan, Tian [0000-0001-7713-5411]
dc.contributor.orcidZhang, Xi-guang [0000-0003-4697-0531]
dc.identifier.eissn2054-5703
pubs.funder-project-idNational Natural Science Foundation of China (41730318)


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