Yunnanozoon lividum (Yunnan + Greek ζῷον zôion (animal), with species name Latin lividum; (lead-coloured), referring to preserved colour of specimens)...
10 KB (854 words) - 16:06, 12 December 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 (5,273 words) - 05:05, 20 February 2025
include Haikouichthys, Myllokunmingia, Zhongjianichthys, and probably Yunnanozoon. Unlike other Cambrian animals, these groups had the basic vertebrate...
48 KB (4,002 words) - 17:33, 16 February 2025
animal. A wide range of affinities have been proposed for the enigmatic Yunnanozoon lividum including stem cephalochordates, stem or crown hemichordates...
35 KB (3,456 words) - 21:21, 31 December 2024
characterized by mountain ranges and rivers running north and south. Yunnanozoon – Lower Cambrian possible chordate Jingshanosaurus – Early Jurassic long-neck...
132 KB (13,210 words) - 18:30, 21 February 2025
marine worm in the Priapulida, bears pharyngeal teeth. Fossils of the Yunnanozoon and Haikouella possess pharyngeal teeth. The lower pharyngeal bones of...
4 KB (431 words) - 19:26, 22 November 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...
7 KB (826 words) - 13:04, 4 October 2024
paraphyletic group of stem-chordates, lying outside a clade formed by Yunnanozoon, Cathaymyrus, Pikaia and crown-chordates. This is in part due to the...
33 KB (2,673 words) - 05:53, 13 February 2025
vertebrates or transitional between olfactores and vertebrates are: Yunnanozoon (Terrenuevian; junior synonym: Haikouella) Zhongxiniscus (Cambrian Stage...
4 KB (283 words) - 22:21, 17 November 2024
Other, earlier chordate predecessors include Myllokunmingia fengjiaoa, Yunnanozoon lividum, and Haikouichthys ercaicunensis. They probably lost their ventral...
88 KB (3,505 words) - 02:01, 9 February 2025
primitive agnathid and Haikouichthys, which may be related to lampreys. Yunnanozoon may be the oldest-known hemichordate. Anomalocaris was a mainly soft-bodied...
20 KB (2,081 words) - 20:27, 11 July 2024
Anatomical reconstruction of Pikaia gracilens compared to Yunnanozoon after Mussini et al. (2024)...
50 KB (5,786 words) - 21:04, 13 December 2024
animals"); Parazoa ("near animals"); Ecdysozoa ("moulting animals"); Yunnanozoon ("animal from Yunnan"); Yuyuanozoon ("animal from Yu Yuan") List of Latin...
42 KB (3,933 words) - 17:31, 22 February 2025
canal and a dorsal nerve chord in Pikaia, and recover vetulicolians, Yunnanozoon and Pikaia as early-diverging stem chordates. The most diverse assemblage...
395 KB (36,030 words) - 14:23, 20 February 2025
precraniate precursors. The precraniate crest animals, such Haikouella and Yunnanozoon, are all extinct and found only in Early Cambrian strata of Yunnan (southwestern...
1 KB (115 words) - 16:11, 26 October 2024
Pikaia gracilens, and its Maotianshan shales relatives, Myllokunmingia, Yunnanozoon, Haikouella lanceolata, and Haikouichthys. Some of the reasons for the...
245 KB (27,684 words) - 22:36, 11 January 2025
range is global and includes a number of chordates including Haikouella, Yunnanozoon and early fish like Haikouichthys. c. 514 Ma – Paradoxides trilobites...
70 KB (8,375 words) - 09:27, 21 February 2025
Dickinsonia, and the second stage is represented by the early Cambrian Yunnanozoon. Even the most distant clades of vertebrates – the agnathan lampreys...
42 KB (4,584 words) - 21:34, 9 January 2025
Fossil of Yunnanozoon...
49 KB (603 words) - 19:17, 25 January 2025