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Estimating paleodiversities: a test of the taxic and phylogenetic methods
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In paleontology
Paleontology, also spelled as palaeontology or palæontology, is the scientific study of the life of the past, mainly but not exclusively through the study of fossils. Paleontologists use fossils as a means to classify organisms, measure ge ...
, a zombie taxon (plural ''zombie taxa'') or the zombie effect refers to a fossil that was washed out of sediments and re-deposited in rocks and/or sediments millions of years younger. That basic mistake in the interpretation of the age of the fossil leads to its title, in that the discovered fossil was at some point mobile (or "walking") despite the original organism having been long dead. When that occurs, the fossil is described as a " reworked fossil".
See also
*Convergent evolution
Convergent evolution is the independent evolution of similar features in species of different periods or epochs in time. Convergent evolution creates analogous structures that have similar form or function but were not present in the last comm ...
* Dead clade walking
* Extinction
Extinction is the termination of an organism by the death of its Endling, last member. A taxon may become Functional extinction, functionally extinct before the death of its last member if it loses the capacity to Reproduction, reproduce and ...
* Elvis taxon
* Lazarus taxon
In paleontology, a Lazarus taxon (plural ''taxa'') is a taxon that disappears for one or more periods from the fossil record, only to appear again either in later fossil records, or as actual living organisms, and often in isolated, obscure, ...
* Living fossil
A living fossil is a Deprecation, deprecated term for an extant taxon that phenotypically resembles related species known only from the fossil record. To be considered a living fossil, the fossil species must be old relative to the time of or ...
Further reading
*Archibald, J. David. (1996). Dinosaur Extinction and the End of An Era. Columbia University Press, 672-684. , who defined the terms zombie effect and zombie taxon/taxa. * Weishampel, David B. et al. (2004). ''The Dinosauria''. University of California Press. . *Abigail Lane et al.Estimating paleodiversities: a test of the taxic and phylogenetic methods
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References
{{reflist Extinction Phylogenetics