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Spindle-shaped Ediacara fossils from the Mistaken Point assemblage, Avalon Zone, Newfoundland
James G. Gehling and Guy M. Narbonne
Spindle-shaped Ediacara fossils from the Mistaken Point assemblage, Avalon Zone, Newfoundland
Canadian Journal of Earth Sciences = Revue Canadienne des Sciences de la Terre (March 2007) 44 (3): 367-387
Spindle-shaped Ediacara fossils from the Mistaken Point assemblage, Avalon Zone, Newfoundland
Canadian Journal of Earth Sciences = Revue Canadienne des Sciences de la Terre (March 2007) 44 (3): 367-387
Index Terms/Descriptors
- Avalon Peninsula
- Avalon Zone
- biometry
- biostratigraphy
- Canada
- deep-sea environment
- Eastern Canada
- Ediacaran
- endemic taxa
- fossilization
- holotypes
- marine environment
- Metazoa
- morphology
- morphometry
- Neoproterozoic
- new taxa
- Newfoundland
- Newfoundland and Labrador
- Newfoundland Island
- paleoecology
- phylogeny
- Precambrian
- preservation
- problematic fossils
- Proterozoic
- range
- taphonomy
- taxonomy
- upper Precambrian
- Vendian
- Rangeomorpha
- Mistaken Point
- Fractofusus
Latitude & Longitude
Abstract
The Mistaken Point assemblage of the Ediacara fossils is dominated by rangeomorphs with homologous fractal branching elements. The most distinctive are the fusiform fossils, herein named Fractofusus misrai n. gen., and n. sp., and Fractofusus andersoni n. gen., and n. sp. Although endemic to the Newfoundland portion of the Avalonia terrane, they dominated deep sea-floor communities below the photic zone, in the mid-Ediacaran Period (ca. 575-560 Ma). Their biological affinities remain uncertain, but their architecture suggests a phylogenetic position near the base of the Metazoa.
ISSN: 0008-4077
EISSN: 1480-3313
Coden: CJESAP
Serial Title: Canadian Journal of Earth Sciences = Revue Canadienne des Sciences de la Terre
Serial Volume: 44
Serial Issue: 3
Title: Spindle-shaped Ediacara fossils from the Mistaken Point assemblage, Avalon Zone, Newfoundland
Affiliation: Queen's University, Department of Geological Sciences,
Kingston, ON,
Canada
Pages: 367-387
Published: 200703
Text Language: English
Summary Language: French
Publisher: National Research Council of Canada,
Ottawa, ON,
Canada
References: 80
DOI:
10.1139/e07-003
Accession Number: 2007-075881
Categories: General paleontology
Document Type: Serial
Bibliographic Level: Analytic
Illustration Description: illus. incl. strat. col., sketch map
N46°30'00" - N48°10'00", W54°15'00" - W52°30'00"
Country of Publication: Canada
Secondary Affiliation: GeoRef, Copyright 2018, American Geosciences Institute.
Update Code: 200717