Biogeography of vine thickets and open woodland in subtropical eastern Australia: a case study of three camaenid land snail genera

Lorelle Stanisic*, Carmel McDougall, Paul Oliver

*Corresponding author for this work

Research output: Contribution to journalArticlepeer-review


Dry rainforests and open woodlands occur across much of eastern Australia. However, the biogeographic history of these habitats remains poorly known, especially when compared to nearby moist rainforest areas. Land snails are commonly used as model organisms to understand patterns of origins of regional endemism due to their low vagility. Here we present an analysis of patterns of mitochondrial genetic diversity in three camaenid snail lineages with distributions centred on vine-thicket and open woodland habitats of eastern Queensland, specifically Euryladra from open woodlands, Brigaladra from inland semievergreen vine thickets, and Figuladra from coastal vine thickets. Lineages from habitats west of the Great Dividing Range show relatively low genetic divergence between localities, with particularly low structuring in the open woodland taxon Euryladra. Figuladra from vine-thicket habitats closer to the coast shows relatively deeper genetic divergence, with marked divergences between some upland and lowland areas in south-east Queensland, and across the St Lawrence Gap. This structuring suggests that taxa associated with vine thicket habitats have had a more discernible history of isolation than open woodlands. This said, genetic divergence across many vine thickets patches in lowland coastal regions is also shallow, suggesting many apparently disjunct vine thicket habitats and their associated species also have a recent history of connectivity.
Original languageEnglish
Article numberZO23032
Number of pages15
JournalAustralian Journal of Zoology
Issue number3
Publication statusPublished - 13 Feb 2024


  • Biogeography
  • Camaenids
  • Dry rainforest
  • Genetic diversity
  • Fire
  • Land snails
  • Open woodland
  • Vine thicket


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