File:Nektaspida guts.jpg
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Summary
Summary
| Description |
English: Gut morphology of Naraoia. A, N. compacta specimen USNM 235859 exhibiting an exceptionally preserved digestive system, white projections surrounding anterior shield formed during preparation of specimen and yellow material flanking the gut representative of remnants of ventral organs; translucent, orbs surrounding anterior shield are air bubbles formed through emersion in fluid. B, interpretive sketch from A. C, digestive system of Misszhouia longicaudata (Zhang & Hou, 1985), YKLP 000.27. D, anterior digestive system of juvenile N. spinosa, YKLP 000.97. E, anterior digestive system of juvenile N. compacta, USNM 189219. F, anterior digestive system of adult N. spinosa, ELRC 16182b. Abbreviations: 1–15, numbered gut diverticula; AnLD, anterior lesser diverticula; Ar, articulation; AS, anterior shield; Dt, digestive tract; MD, main gut diverticula; PLD, posterior lesser diverticula; PS, posterior shield; ELRC, Early Life Research Centre, Nanjing Institute of Geology & Palaeontology. Scale bars represent: 5 mm (A, B, F); 0.5 mm (C–E). |
| Date | |
| Source | Phylogenetic response of naraoiid arthropods to early–middle Cambrian environmental change https://onlinelibrary.wiley.com/doi/full/10.1111/pala.12516 |
| Author | Andrew D. Bond,Gregory D. Edgecombe |
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| Date/Time | Thumbnail | Dimensions | User | Comment | |
|---|---|---|---|---|---|
| current | 12:58, 20 July 2022 | | 2,128 × 2,032 (1.5 MB) | Hemiauchenia | =={{int:filedesc}}== {{Information |description={{en|1=Gut morphology of Naraoia. A, N. compacta specimen USNM 235859 exhibiting an exceptionally preserved digestive system, white projections surrounding anterior shield formed during preparation of specimen and yellow material flanking the gut representative of remnants of ventral organs; translucent, orbs surrounding anterior shield are air bubbles formed through emersion in fluid. B, interpretive sketch from A. C, digestive system of Misszh... |
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