Patterns and processes of evolution of Rhagada (Gastropoda: Camaenidae) snails from the Pilbara region, Western Australia

Zoe Ruth Hamilton

Research output: ThesisDoctoral Thesis

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Abstract

This study of morphological and molecular variation of Pilbara Rhagada found both rapid morphological differentiation in a heterogenous environment, and morphological convergence and stasis in an extensive harsh, homogenous environment. Hybridisation was found to contribute to the maintenance of the geographic replacements characteristic of Australian camaenids. The re-occurring globose shell form of the coastal Pilbara Rhagada group could be simply an ancestral form, rather than a specific adaptation, but this study revealed convergence and re-emergence of a distinct shell form amongst four distinct lineages tn the inland Pilbara, confirming the adaptive potential of mainland Rhagada
Original languageEnglish
QualificationDoctor of Philosophy
Awarding Institution
  • The University of Western Australia
Award date27 Nov 2018
DOIs
Publication statusUnpublished - 2018

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