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Species Concepts and Species Delimitation
A unified species concept can be achieved by treating existence as a separately evolving metapopulation lineage as the only necessary property of species and the former secondary species criteria as different lines of evidence relevant to assessing lineage separation.
Phylogenetic relationships within squamata
Camp, Charles Lewis ; Classification ; Congresses ; NH-Vertebrate Zoology ; Research Associate ; NMNH ; SDR
The General Lineage Concept of Species, Species Criteria, and the Process of Speciation
This chapter provides a general theoretical context that accounts for both the unity and the diversity of ideas represented by alternative species definitions, and proposes a revised and conceptually unified terminology for the ideas described by contemporary species definitions.
Phylogeny as a Central Principle in Taxonomy: Phylogenetic Definitions of Taxon Names
Defining the names of taxa in terms of common ancestry, that is, using phylogenetic definitions of taxon names, departs from a tradition of character-based definitions by granting the concept of
A phylogenetic analysis of lepidosauromorpha
This paper analyzes phylogenetic relationships within a subtaxon of Sauna, the Lepidosauromorpha, and attempts to stabilize the concept of each lepidosauromorph taxon with as rigorous a diagnosis as the natiu-e of the material allows.
The General Lineage Concept of Species and the Defining Properties of the Species Category
There is nothing more common than that the meaning of an expression varies in such a way that a phenomenon is now considered as a symptom and now as a criterion of a state of affairs. And then for
A unified concept of species and its consequences for the future of taxonomy
The unified species concept is a natural outcome of a change in the general conceptualization of the species category that has been underway for more than a half-century and represents the more complete acceptance of the idea that species are one of the fundamental units of biology.
Phylogenetic Relationships and Tempo of Early Diversification in Anolis Lizards
The results suggest that rapid diversi- �cation early in the evolutionary history of anoles explains why numerous researchers have had difficulty reconstructing well-supported dichotomous phylogenetic trees for anoles.
Systematics and the Darwinian Revolution
Taxonomies of living things and the methods used to produce them changed little with the institutionalization of evolutionary thinking in biology. Instead, the relationships expressed in existing