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File:Ou et al. 2012 sf03.jpg

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Fossils of Vetulicola rectangulata

Summary

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Description
English: Additional file 1: Gill structures of Vetulicola rectangulata from Yunnan, China. (A,B) Laterally preserved specimens ELEL-SJ101975A and ELEL-EJ080158A, respectively. (C,D) Close-up images of the boxed area in (A) and interpretative camera lucida drawing, respectively, showing gill openings, lateral groove, groove floor, Y-shaped medial gutters, transverse ridge posterior of the gill pore, lappets, and their spatial arrangement relative to the adjacent plates. (E,F) Close-up images of boxed area in (B) and interpretative camera lucida drawing, respectively, showing dilated lateral groove, groove floor, Y-shaped medial gutters, gill openings, lappets, and their spatial relationship. Abbreviations: Cz, concentric zone that surrounds the gill opening; G1-5, gills 1 to 5; Go, gill opening; La, lappet; Po, gill pouch; Rg, ridge; Se, sediment fill; Tf, trace fossil (unconnected to specimen); Tr, trough; Ys, Y-shaped structure. Scale bars: 1 cm in (A), (B); 5 mm in (C) to (F). (JPEG 2 MB)
Date
Source Ou, Q., Han, S.C., Morris, J. et al. Evidence for gill slits and a pharynx in Cambrian vetulicolians: implications for the early evolution of deuterostomes. BMC Biol 10, 81 (2012). https://doi.org/10.1186/1741-7007-10-81
Author Qiang Ou, Simon Conway Morris, Jian Han, Zhifei Zhang, Jianni Liu, Ailin Chen, Xingliang Zhang & Degan Shu

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current08:12, 2 July 2024Thumbnail for version as of 08:12, 2 July 20241,673 × 1,980 (1.79 MB)Qohelet12 (talk | contribs)Uploaded a work by Qiang Ou, Simon Conway Morris, Jian Han, Zhifei Zhang, Jianni Liu, Ailin Chen, Xingliang Zhang & Degan Shu from Ou, Q., Han, S.C., Morris, J. et al. Evidence for gill slits and a pharynx in Cambrian vetulicolians: implications for the early evolution of deuterostomes. BMC Biol 10, 81 (2012). https://doi.org/10.1186/1741-7007-10-81 with UploadWizard

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