| Modular construction of early Ediacaran complex life forms. | |
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MedLine Citation:
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PMID: 15256615 Owner: NLM Status: MEDLINE |
Abstract/OtherAbstract:
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Newly discovered, exceptionally preserved, soft-bodied fossils near Spaniard's Bay in eastern Newfoundland exhibit features not previously described from Ediacaran (terminal Neoproterozoic) fossils. All of the Spaniard's Bay taxa were composed of similar architectural elements-centimeter-scale frondlets exhibiting three orders of fracticality in branching. Frondlets were combined as modules atop semi-rigid organic skeletons to form a wide array of larger constructions, including frondose and plumose structures. This architecture and construction define the "rangeomorphs," a biological clade that dominated the Mistaken Point assemblage (575 to 560 million years ago) but does not appear to be ancestral to any Phanerozoic or modern organisms. |
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Authors:
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Guy M Narbonne |
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Publication Detail:
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Type: Journal Article; Research Support, Non-U.S. Gov't Date: 2004-07-15 |
Journal Detail:
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Title: Science (New York, N.Y.) Volume: 305 ISSN: 1095-9203 ISO Abbreviation: Science Publication Date: 2004 Aug |
Date Detail:
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Created Date: 2004-08-24 Completed Date: 2004-09-10 Revised Date: 2007-11-15 |
Medline Journal Info:
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Nlm Unique ID: 0404511 Medline TA: Science Country: United States |
Other Details:
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Languages: eng Pagination: 1141-4 Citation Subset: IM |
Affiliation:
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Department of Geological Sciences and Geological Engineering, Queen's University, Kingston, Ontario K7L 3N6, Canada. narbonne@geol.queensu.ca |
Export Citation:
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| MeSH Terms | |
Descriptor/Qualifier:
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Animals Ecosystem Fossils* Geologic Sediments Invertebrates* / anatomy & histology, classification Newfoundland and Labrador Paleontology |
| Comments/Corrections | |
Comment In:
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Science. 2004 Aug 20;305(5687):1115-7
[PMID:
15326344
]
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From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine
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