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- Title
Competition in a Precambrian world: palaeoecology of Ediacaran fronds.
- Authors
Laflamme, Marc; Narbonne, Guy M.
- Abstract
Leaf-shaped Ediacaran fronds are among the most widespread and readily recognized members of the terminal Neoproterozoic Ediacara Biota. Ediacaran fronds gathered nutrients from the water column through filter feeding or direct nutrient absorption, resulting in the onset of modern-style ecological competition complete with denizens occupying distinct tiers in the water column. It is believed that the frond shape most likely represents a common need to elevate a feeding apparatus higher in the water-column to feed from the upper (> 20 cm) tiers. Therefore, the frond shape represents a shared ecology, not ancestry.
- Subjects
COMPETITION (Biology); PRECAMBRIAN stratigraphic geology; WATER filtration; ECOLOGY; ABSORPTION
- Publication
Geology Today, 2008, Vol 24, Issue 5, p182
- ISSN
0266-6979
- Publication type
Article
- DOI
10.1111/j.1365-2451.2008.00685.x