Chapter title |
Aestivation in the fossil record: evidence from ichnology.
|
---|---|
Chapter number | 12 |
Book title |
Aestivation
|
Published in |
Progress in molecular and subcellular biology, January 2010
|
DOI | 10.1007/978-3-642-02421-4_12 |
Pubmed ID | |
Book ISBNs |
978-3-64-202420-7, 978-3-64-202421-4
|
Authors |
Hembree DI, Daniel I. Hembree, Hembree, Daniel I. |
Abstract |
Aestivation is a physiological and behavioral response to high temperature or low moisture conditions. Therefore, it is typically not considered to be capable of being preserved in the fossil record. However, most aestivating organisms produce a burrow to protect themselves from the harmful environmental conditions that trigger aestivation. These structures can be preserved in the rock record as trace fossils. While trace fossils are abundant in the continental fossil record, few are definitively associated with aestivation. Interpreting aestivation behavior from fossil burrows requires a detailed examination and interpretation of the surrounding sedimentary rocks and comparisons with taxonomically and ecologically similar extant organisms. Currently, only four types of aestivation structures are recognized in the fossil record: Pleistocene earthworm chambers, Devonian to Cretaceous lungfish burrows, Permian lysorophid burrows, and Permian to Triassic dicynodont burrows. The trace fossil evidence suggests that aestivation evolved independently among continental organisms in several clades during the middle to late Paleozoic. |
Mendeley readers
Geographical breakdown
Country | Count | As % |
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Unknown | 10 | 100% |
Demographic breakdown
Readers by professional status | Count | As % |
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Researcher | 3 | 30% |
Other | 2 | 20% |
Student > Doctoral Student | 1 | 10% |
Lecturer | 1 | 10% |
Student > Master | 1 | 10% |
Other | 1 | 10% |
Unknown | 1 | 10% |
Readers by discipline | Count | As % |
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Earth and Planetary Sciences | 4 | 40% |
Agricultural and Biological Sciences | 4 | 40% |
Environmental Science | 1 | 10% |
Unknown | 1 | 10% |