Global ETD Search
Search theses and dissertations gathered from participating repositories worldwide. Every result links back to the library that holds it. No account is needed.
Results
Showing 1 to 3 of 3 for “"Ediacara biota"”.
-
The Mall Bay Formation (Ediacaran) and the Protracted Onset of the Gaskiers Glaciation in Newfoundland, Canada
… large, complex, soft-bodied, fossils of the Ediacara biota. The Gaskiers glaciation is generally regarded as being short-lived and confined to the stratigraphic extent of the Gaskiers Formation in eastern Newfoundland, Canada. New research on the underlying km-thick, siliciclastic Mall Bay …
-
Ediacaran Fronds from South Australia and Newfoundland
The Ediacara biota (575-539 Ma) represents a seminal event in the evolution of life, the first abundant appearance of large, architecturally complex, soft-bodied organisms after three billion years of mostly microbial evolution. Fronds occupied all tiers of the Ediacaran ecosystem and were the …
-
Integrated High-resolution Stratigraphy of the Doushantuo Formation, South China
The Ediacaran Period (635-542 Ma) just preceded the radiation of animals, yet witnessed profound changes in biological innovation, including the first appearance of large spiny acritarchs called the acanthomorphic acritarch, followed by the radiation of the Ediacara biota (575-542 Ma), and earliest …