A new species of yunnanozoan with implications for deuterostome evolution

Science

Volumn 299, Issue 5611, 2003, Pages 1380-1384

  Shu, Degan ^a,b   Morris, Simon Conway ^c   Zhang, Z F ^a,b   Liu, J N ^a,b   Han, Jian ^a,b   Chen, Ling ^a,b   Zhang, X L ^a,b   Yasui, K ^d   Li, Yong ^e  

^a NORTHWEST UNIVERSITY   (China)

^b CHINA UNIVERSITY OF GEOSCIENCES   (China)

^c UNIVERSITY OF CAMBRIDGE   (United Kingdom)

^d KUMAMOTO UNIVERSITY   (Japan)

^e CHANG'AN UNIVERSITY   (China)

Author keywords

[No Author keywords available]

Indexed keywords

MARINE BIOLOGY;

DEUTEROSTOME EVOLUTION;

BIODIVERSITY;

CAMBRIAN; EVOLUTION; METAZOAN; MORPHOLOGY; NEW SPECIES; TAXONOMY;

ARTICLE; CAMBRIAN; CHINA; CHORDATA; CLINICAL FEATURE; EVOLUTION; FOSSIL; GEOGRAPHIC DISTRIBUTION; GILL; HAIKOUELLA LANCEOLATA; NONHUMAN; PHARYNX; PHYLUM; PRIORITY JOURNAL; SPECIES IDENTIFICATION; STRUCTURE ANALYSIS; TAXONOMIC IDENTIFICATION; YUNNANOZOON LIVIDUM;

ANIMALS; CHINA; CHORDATA, NONVERTEBRATE; DIGESTIVE SYSTEM; EVOLUTION; FOSSILS; GILLS; MOUTH; PHYLOGENY;

CHORDATA; LANCEOLATA; METAZOA;

EID: 0242432349     PISSN: 00368075     EISSN: None     Source Type: Journal    
DOI: 10.1126/science.1079846     Document Type: Article

References (21)

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10. In Burgess Shale-type preservation, turbulent burial introduces sediment into spaces and cavities of the animal. Subsequent compaction greatly reduces the thickness of this sediment and converts the fossil into a series of thin films. Typically, small scarps (denoted on the interpretative drawings as hachured lines, with the hachures pointing downslope) separate the various parts of the fossil and so allow inferences on their relative position and imbrication.
11. A similar structure is identified in Y. lividum [figure 3B in (7)], where it is identified as an endostyle. A ventral aorta is identified in figure 1 of (4), but as a single structure.
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21. We thank the National Natural Science Foundation of China; the Ministry of Sciences and Technology of China; the National Geographic Society; The Royal Society; and St. John's College, Cambridge. M. Cheng, L. Guo, X. Cheng, J. Zhai, H. Guo, Y. Ji, S. Last, and A. Allen are thanked for technical assistance. M. M. Smith and an anonymous referee are thanked for constructive dialogues.