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Spindle-shaped Ediacara fossils from the Mistaken Point assemblage, Avalon Zone, Newfoundland
James G. Gehling;
James G. Gehling
Department of Geological Sciences, Queen's University, Kingston, ON K7L 3N6 Canada and Department of Earth Sciences, Monash University, Clayton, VIC, 3168 Australia.
Present address: South Australian Museum, North Terrace, Adelaide, SA, 5000 Australia.
Corresponding author (e-mail: gehling.jim@saugov.sa.gov.au).
Guy M. Narbonne
Department of Geological Sciences and Geological Engineering, Queen's University, Kingston, ON K7L 3N6, Canada; and Royal Ontario Museum, 100 Queen's Park, Toronto, ON M5S 2C6, Canada.
Canadian Journal of Earth Sciences (2007) 44 (3): 367–387.
https://doi.org/10.1139/e07-003
James G. Gehling, Guy M. Narbonne; Spindle-shaped Ediacara fossils from the Mistaken Point assemblage, Avalon Zone, Newfoundland. Canadian Journal of Earth Sciences 2007;; 44 (3): 367–387. doi: https://doi.org/10.1139/e07-003
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.
Avalon Peninsula
Avalon Zone
biometry
deep-sea environment
Ediacaran
endemic taxa
fossilization
holotypes
Metazoa
morphometry
Neoproterozoic
new taxa
Newfoundland Island
problematic fossils
Proterozoic
taphonomy
upper Precambrian
Vendian
Rangeomorpha
Mistaken Point
Fractofusus
N46°30'00" - N48°10'00", W54°15'00" - W52°30'00"
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