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4 - Multilevel Organismal Diversity in an Ontogenetic Framework as a Solution for the Species Concept

Published online by Cambridge University Press:  01 September 2022

By
Alexander Martynov  and
Tatiana Korshunova
Edited by
Alexandre K. Monro  and
Simon J. Mayo
Alexandre K. Monro
Affiliation:
Royal Botanic Gardens, Kew
Simon J. Mayo
Affiliation:
Royal Botanic Gardens, Kew
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Summary

The concept of ‘species’ is a persistent biological problem. In discussions about the species phenomenon, the ‘cryptic species’ concept currently prevails. We propose that the ‘cryptic species’ concept as it is currently understood strongly emphasizes the distinctions between morphological and molecular levels and obscures multiple other biological levels and the organism itself. Therefore we suggest, instead of the term ‘species’, a multilevel organismal diversity concept (MOD) as an alternative that is well-supported by numerous data. We also highlight the central role of ontogeny in a broad sense (one that encompasses all major properties and traits of an organism as well as both genetic and epigenetic traits) for the future development of taxonomy and phylogenetics. Potential consequences of a new understanding of the species phenomenon for biological nomenclature are outlined. A general scheme for the future development of organism studies within the framework of MOD is presented.

Keywords

multilevel organismal diversityspecies concepts problemclonal organismsontogenyperiodic processesphylotopic periodsPhyloPeriodic Tabletaxonomic decisionsgeneral properties
Type
Chapter
Information
Cryptic Species
Morphological Stasis, Circumscription, and Hidden Diversity
 , pp. 78 - 129
Publisher: Cambridge University Press
Print publication year: 2022

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To save content items to your account, please confirm that you agree to abide by our usage policies. If this is the first time you use this feature, you will be asked to authorise Cambridge Core to connect with your account. Find out more about saving content to Google Drive.

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