Yunnanozoon lividum (Yunnan + Greek ζῷον zôion (animal), with species name Latin lividum; (lead-coloured), referring to preserved colour of specimens)...
7 KB (706 words) - 18:22, 30 July 2024
Cambrian chordates (section Yunnanozoon lividum)
Chengjiang County, Yunnan Province, China. One specimen which they named Yunnanozoon lividum was a worm-like animal that could not be easily fit into any...
24 KB (2,720 words) - 18:41, 26 October 2024
hemichordate. Opinions differ about whether the Chengjiang fauna fossil Yunnanozoon, from the earlier Cambrian, was a hemichordate or chordate. Another fossil...
58 KB (5,211 words) - 01:20, 17 October 2024
paraphyletic group of stem-chordates, lying outside a clade formed by Yunnanozoon, Cathaymyrus, Pikaia and crown-chordates. From their superficially tadpole-like...
18 KB (1,705 words) - 11:52, 18 October 2024
possesses a spiniform structure, which has also been found in animals like Yunnanozoon. By far the most distinguishing feature of this genus is its elongated...
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characterized by mountain ranges and rivers running north and south. Yunnanozoon – Lower Cambrian possible chordate Jingshanosaurus – Early Jurassic long-neck...
132 KB (13,207 words) - 00:42, 6 October 2024
marine worm in the Priapulida, bears pharyngeal teeth. Fossils of the Yunnanozoon and Haikouella possess pharyngeal teeth. The lower pharyngeal bones of...
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precraniate precursors. The precraniate crest animals, such Haikouella and Yunnanozoon, are all extinct and found only in Early Cambrian strata of Yunnan (southwestern...
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or transitional between olfactores and vertebrates are: Metaspriggina Yunnanozoon Palaeospondylus Zhongxiniscus Haikouella Yang, C.; Li, X.-H.; Zhu, M...
3 KB (273 words) - 20:57, 18 July 2024
Anatomical reconstruction of Pikaia gracilens compared to Yunnanozoon after Mussini et al. (2024)...
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primitive agnathid and Haikouichthys, which may be related to lampreys. Yunnanozoon may be the oldest-known hemichordate. Anomalocaris was a mainly soft-bodied...
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canal and a dorsal nerve chord in Pikaia, and recover vetulicolians, Yunnanozoon and Pikaia as early-diverging stem chordates. The most diverse assemblage...
322 KB (29,185 words) - 10:08, 1 November 2024
Haikouichthys ercaicunensis, another primitive fish-like animal. The enigmatic Yunnanozoon lividum is considered to be the earliest hemichordate, possessing many...
31 KB (3,059 words) - 16:28, 12 June 2024
animals"); Parazoa ("near animals"); Ecdysozoa ("moulting animals"); Yunnanozoon ("animal from Yunnan"); Yuyuanozoon ("animal from Yu Yuan") List of Latin...
41 KB (3,829 words) - 19:03, 30 October 2024
range is global and includes a number of chordates including Haikouella, Yunnanozoon and early fish like Haikouichthys. c. 514 Ma – Paradoxides trilobites...
64 KB (7,755 words) - 23:56, 13 October 2024
Fossil of Yunnanozoon...
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Ambulacraria A member of the stem-ambulacrarian clade Cambroernida. Yunnanozoon Possible stem-group Deuterostome Banffia Possible stem-group Deuterostome...
25 KB (1,253 words) - 14:54, 17 October 2024
Pikaia gracilens, and its Maotianshan shales relatives, Myllokunmingia, Yunnanozoon, Haikouella lanceolata, and Haikouichthys. Some of the reasons for the...
245 KB (27,658 words) - 17:28, 17 October 2024
possible Early Cambrian chordate. Nature 377, 720-722. Dzik, J. 1995. Yunnanozoon and the ancestry of chordates. Acta Palaeontologica Polonica 40, 341-360...
17 KB (2,369 words) - 19:58, 10 March 2024