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Journal article
Insights into the recent evolutionary history of salt lake gastropods (Coxiella) in Australia
Hydrobiologia
2025
Abstract
This study investigates the impact of paleoclimate on the evolutionary history of Coxiella (Tomichiidae), a group of 15 species of aquatic snail in four putative genera that are endemic to Australian salt lakes. It used a time-calibrated phylogeny, based on mitochondrial DNA ( COI ) sequence variation from 938 individuals from 14 species, to estimate the timing of diversification events in Coxiella . The four putative genera of Coxiella were estimated to have evolved in the late Miocene to late Pliocene, followed by speciation within these genera during late Pliocene to Pleistocene and subsequent divergence within species during the Pleistocene. We also used COI data from 872 individuals to compare the phylogeographic patterns and genetic diversities amongst six species. These species showed three distinctly different phylogeographic patterns, ranging from deep phylogeographic structuring to a very shallow structure in a species that appears to have undergone a range expansion after a severe bottleneck. Overall, the recent evolutionary history of Coxiella shows important parallels with those of many other taxa from southern Australia which implies a common cause, which is usually identified as the trend of increasing aridification of the Australian climate over the last ~ 15 mya.
Details
- Title
- Insights into the recent evolutionary history of salt lake gastropods (Coxiella) in Australia
- Authors/Creators
- Angus D’Arcy LawrieJennifer Chaplin - Murdoch University, School of Environmental and Conservation SciencesMahabubur Rahman - Murdoch UniversityMd Aminul IslamKyle Webzell
- Publication Details
- Hydrobiologia
- Publisher
- Springer Nature
- Number of pages
- 17
- Grant note
- Commonwealth Supported Research Training ProgramCommonwealth Supported Research Training Programme
Samples for this project were collected under licences from the Department of Biodiversity, Conservation and Attractions and the Department of Primary Industries and Regional Development. The authors thank Michael Rix for generously providing his insights, as well as two anonymous reviewers for their constructive feedback on an earlier version of the manuscript. Angus Lawrie was supported by a Commonwealth Supported Research Training Programme whilst conducting this research.
- Identifiers
- 991005748927507891
- Copyright
- © The Author(s) 2025
- Murdoch Affiliation
- Centre for Sustainable Aquatic Ecosystems; School of Environmental and Conservation Sciences
- Language
- English
- Resource Type
- Journal article
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- Collaboration types
- Domestic collaboration
- International collaboration
- Citation topics
- 3 Agriculture, Environment & Ecology
- 3.64 Phylogenetics & Genomics
- 3.64.2143 Pulmonata
- Web Of Science research areas
- Marine & Freshwater Biology
- ESI research areas
- Plant & Animal Science