Neontology

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Neontology is a part of biology that, in contrast to paleontology, deals with living (or, more generally, recent) organisms. It is the study of extant taxa (singular: extant taxon): taxa (such as species, genera and families) with members still alive, as opposed to (all) being extinct. For example:

  • The moose (Alces alces) is an extant species, and the dodo is an extinct species.
  • In the group of molluscs known as the cephalopods, as of 1987 there were approximately 600 extant species and 7,500 extinct species.[1]

A taxon can be classified as extinct if it is broadly agreed or certified that no members of the group are still alive. Conversely, an extinct taxon can be reclassified as extant if there are new discoveries of extant species ("Lazarus species"), or if previously-known extant species are reclassified as members of the taxon.

The term neontologist is used largely by paleontologists referring to nonpaleontologists. Stephen Jay Gould said of neontology:

All professions maintain their parochialisms, and I trust that nonpaleontological readers will forgive our major manifestation. We are paleontologists, so we need a name to contrast ourselves with all you folks who study modern organisms in human or ecological time. You therefore become neontologists. We do recognize the unbalanced and parochial nature of this dichotomous division.[2]


Neontological evolutionary biology has a temporal perspective between 100 to 1000 years. Neontology's fundamental basis relies on models of natural selection as well as speciation. Neontology's methods, when compared to evolutionary paleontology, has a greater emphasis on experiments. There are more frequent discontinuities present in paleontology than in neontology, because paleontology involves extinct taxa. Neontology has organisms actually present and available to sample and perform research on. [3]  Neontology's research method uses cladistics to examine morphologies and genetics. Neontology data has more emphasis on genetic data and the population structure than paleontology does.  [4] 

Information Gaps

When the scientific community accepted the synthetic theory of evolution, taxonomies became phylogenetic.[5] As a result, information gaps arose within the fossil record of species- especially in Homo sapiens. The anthropologists who accepted the synthetic theory, reject the idea of an "ape man" because the concept had mistaken paleontology with neontology. [6].  An ape man, in actuality, would be a primate with traits that would represent anything in between Homo sapiens and the great apes. If the concept of an ape man was based on neontology, then our phenotype would resemble Bigfoot. Since the concept was based on paleontology, the idea of an ape man could possibly be represented by the fossil hominids. [7]

Extant Taxa vs. Extinct Taxa

Neontology studies extant taxa and also recently extinct taxa, but declaring a taxa to be definitively extinct is difficult. Taxa that have previously been declared extinct may reappear over time. Species that were once considered extinct and then reappear unscathed are characterized by the term "The Lazarus effect", or are also called a Lazarus species. [8] For example, a study determined that 36% of supposed mammalian extinction had been resolved, while the other 64% had insufficient evident to be declared extinct or had been rediscovered. [9] Currently, the International Union for Conservation of Nature considers a taxa to be recently extinct if the extinction occurred after 1500 C.R. [10] The most recently extinct mammal is the Bouvier's red colobus, who became considered extinct in 2015. [11]

 Neontology Importance

Neontology's fundamental theories relies on biological models of natural selection and speciation that connects genes, the unit of heredity with the mechanism of evolution, natural selection. [12] For example, researchers utilized neontological and paleontological datasets to study mouse dentitions compared with human dentitions. In order to understand the underlying genetic mechanisms that influences this variation between nonhuman primates and humans, neontological methods are applied to the research method. By incorporating neontology with different biological research methods, it can become clear how genetic mechanisms underlie major events in things such as primate evolution. [13]

References

  1. ^ Essential readings in evolutionary biology. Ayala, Francisco José, 1934-, Avise, John C.,. Baltimore. ISBN 1421413051. OCLC 854285705. 
  2. ^ Shennan, Stephan (2009). Pattern and Process in Cultural Evolution. University of California Press. p. 115. ISBN 0520255992. 
  3. ^ Essential readings in evolutionary biology. Ayala, Francisco José, 1934-, Avise, John C.,. Baltimore. ISBN 1421413051. OCLC 854285705. 
  4. ^ Shennan, Stephan (2009). Pattern and Process in Cultural Evolution. University of California Press. p. 115. ISBN 0520255992. 
  5. ^ Masatoshi., Nei, (1987). Molecular evolutionary genetics. New York: Columbia University Press. ISBN 0231063210. OCLC 13945914. 
  6. ^ Dictionary of the history of science. Bynum, W. F. (William F.), 1943-, Browne, E. J. (E. Janet), 1950-, Porter, Roy, 1946-2002,. Princeton, New Jersey. ISBN 0691614717. OCLC 889248984. 
  7. ^ A., Shiel, Lisa (2011). Creature of controversy : a candid look at the hidden world of Bigfoot research & the men and women who hunt for a legend. Lake Linden, MI: Jacobsville Books. ISBN 1934631426. OCLC 818361503. 
  8. ^ Fara, Emmanuel (19 April 2000). "What are Lazarus taxa?" (PDF). Retrieved 30 November 2017. 
  9. ^ Extinctions in near time : causes, contexts, and consequences. MacPhee, R. D. E.,. New York. ISBN 9781441933157. OCLC 887840635. 
  10. ^ Fisher, Diana O.; Blomberg, Simon P. (2011-04-07). "Correlates of rediscovery and the detectability of extinction in mammals". Proceedings of the Royal Society of London B: Biological Sciences. 278 (1708): 1090–1097. doi:10.1098/rspb.2010.1579. ISSN 0962-8452. PMID 20880890. 
  11. ^ "Piliocolobus bouvieri (Bouvier's Red Colobus)". www.iucnredlist.org. Retrieved 2017-12-01. 
  12. ^ "Neo-Darwinism - New World Encyclopedia". www.newworldencyclopedia.org. Retrieved 2017-12-01. 
  13. ^ Grieco, Theresa M.; Rizk, Oliver T.; Hlusko, Leslea J. (2012-09-07). "Data from: A modular framework characterizes micro- and macroevolution of Old World monkey dentitions". doi:10.5061/dryad.693j8. 



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