File:Clypecaris serrata and C. pteroidea.webp
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Captions
Captions
Clypecaris serrata and C. pteroidea from the Cambrian Stage 3 of eastern Yunnan.
Summary
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English: Clypecaris serrata and C. pteroidea from the Cambrian Stage 3 of eastern Yunnan.
(A–D) C. serrata sp. nov. from the Xiaoshiba Lagerstätte. (A) YKLP 12329, partially preserved right valve with raptorial appendage in extended position. (B–D) YKLP 12328: (B) oblique dorsal view of a complete individual showing the hinge articulation, 18 ring-like trunk tergies with some anteriorly situated between the two valves, biramous limbs and dorsal trunk spines (white arrowed). (C) magnification of panel B showing the trunk limbs and three-dimensionally preserved gut contents. (D) magnification of (B) showing trunk tergites between the two valves with visible dorsoposterior margin of left valve (black arrowed), paired dorsal spines, spine sockets (white arrowed). (E) C. pteroidea from the Chengjiang biota YKLP 13970 (courtesy Derek Siveter), showing short hinge articulation, spine sockets (white arrowed) between two valves (black arrows indicate the dorsoposterior margin of left valve). The lack of serrations of the anteroventral carapace margins of C. pteroidea dinstinguishes this taxon from C. serrata |
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| Source | doi.org/10.1038/srep27709 | |||
| Author | Jie Yang, Javier Ortega-Hernández, Tian Lan, Jin-bo Hou & Xi-guang Zhang | |||
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| Date/Time | Thumbnail | Dimensions | User | Comment | |
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| current | 18:07, 28 July 2020 | | 1,575 × 864 (702 KB) | LeónHormiga (talk | contribs) | Uploaded a work by Jie Yang, Javier Ortega-Hernández, Tian Lan, Jin-bo Hou & Xi-guang Zhang from doi.org/10.1038/srep27709 with UploadWizard |
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