File:Cotyledion tylodes fossil.jpg
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Cotyledion_tylodes_fossil.jpg (617 × 561 pixels, file size: 80 KB, MIME type: image/jpeg)
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[edit]DescriptionCotyledion tylodes fossil.jpg |
English: Figure 1
Cotyledion tylodes Luo & Hu 1999 from the Cambrian Stage 3 Chengjiang fauna (Yunnan, China). The hemispheric buccal cavity with basal mouth (anterior) and elongate anal papillae (posterior) marked with solid arrows and hollow arrows, respectively. (a), ELI-C-0369, a complete flattened specimen attached by long stalk to exoskeleton of trilobite; note the circular attachment disc (Ad); (b), interpretative drawing; (c), ELI-C-0359A, a laterally compressed specimen attached to gena of a trilobite, showing U-shaped gut with 3-D buccal cavity and enlongate anal tube enclosed inside apertural cavity; (d), interpretative drawing; (e), ELI-C-0359A, counterpart of C, close-up view of the calyx showing the U-shaped gut with buccal cavity and anal papillae; (f), ELI-C-0334A, a flattened specimen showing U-shaped digestive tract; (g), compare to f; (h), ELI-C-0338A, showing mud-filled buccal cavity and anal tube; (i), Compare to h; Scale bars are indicated. Abbreviations: Ad, attachment disc; Ap, anal papilla; Bc, buccal cavity; Cc, the interior cavity of calyx; Es, esophagus; In, intestine; M, mouth; Sc, the central cavity of stalk; St, the distended stomach; Ug, the U-shaped gut. |
Date | |
Source | https://www.ncbi.nlm.nih.gov/pmc/articles/PMC3548229/ |
Author | Zhifei Zhang, Lars E. Holmer, Christian B. Skovsted, Glenn A. Brock, Graham E. Budd, Dongjing Fu, Xingliang Zhang, Degan Shu, Jian Han, Jianni Liu, Haizhou Wang, Aodhán Butler, and Guoxiang Li |
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current | 22:40, 9 June 2022 | 617 × 561 (80 KB) | Qohelet12 (talk | contribs) | Uploaded a work by Zhifei Zhang, Lars E. Holmer, Christian B. Skovsted, Glenn A. Brock, Graham E. Budd, Dongjing Fu, Xingliang Zhang, Degan Shu, Jian Han, Jianni Liu, Haizhou Wang, Aodhán Butler, and Guoxiang Li from https://www.ncbi.nlm.nih.gov/pmc/articles/PMC3548229/ with UploadWizard |
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17 January 2013
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