Abstract
This work presents a cladistic analysis of the species of the genera Calendyma Lacordaire (1857) and Epiclines Chevrolat (1838), and briefly considers the genus Eleale Newman (1840). Three species of the genus Neogyponyx Schenkling (1906) are considered as the outgroup for the phylogenetic analysis. The three genera studied share several characteristics that establish their monophyly. It is postulated that these three genera originated from the austral parts of Gondwana, and that flower feeding was a strong adaptive force in their evolution. It is further postulated that the genera Calendyma and Epiclines differentiated populations to the east and west side of the Andean cordillera, during the Andean uplift, and that their western populations may have evolved from ancestors inhabiting shrubby marginal habitats of southern Chilean temperate forests, then spread to lower latitudes. Vicariant events seem to have differentiated Chilean species of Calendyma and Epiclines around 31º South latitude.References
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