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Cladogenesis in a starfish species complex from southern Australia: evidence for vicariant speciation?
- J. Waters, P. O’Loughlin, M. S. Roy
- Biology, MedicineMolecular phylogenetics and evolution
- 1 July 2004
Phylogenetic analysis of mtDNA provides strong support for the combined monophyly of multicoloured forms of Australian six-rayed sea-stars and suggests that P. oriens, P. occidens, and P. medius may be sister taxa, and maximum likelihood analysis of nuclear DNA sequences yields an optimal tree largely consistent with mtDNA groupings, but with little bootstrap support.
Phylogeographical disjunction in abundant high‐dispersal littoral gastropods
Phylogenetic relationships of nine species (four genera) of Neritidae, an almost exclusively tropical gastropod family, are consistent with the hypothesis that southern temperate black nerites comprise a monophyletic radiation.
The Antarctic region as a marine biodiversity hotspot for echinoderms: Diversity and diversification of sea cucumbers
Evidence is presented that both inter-regional speciation with southern cold-temperate regions and intra-Regional diversification has contributed to species richness in the Antarctic, despite the potential of cold temperatures to slow the rate of evolution.
A revision of Antarctic and some Indo-Pacific apodid sea cucumbers (Echinodermata: Holothuroidea: Apodida)
O’Loughlin, P.M. and VandenSpiegel, D. 2010. A revision of Antarctic and some Indo-Pacific apodid sea cucumbers (Echinodermata: Holothuroidea: Apodida). Memoirs of Museum Victoria 67: 61–95. Eight…
A molecular and morphological revision of genera of Asterinidae (Echinodermata: Asteroidea)
The molecular phylogeny has inspired a reappraisal of the systematics of the Asterinidae and it is concluded that Asterinids is mainly of shallow waters of all but a widespread family in more widespread cosmopolitan family, including some deeper cosmopolitan families.
Observations of reproductive strategies for some dendrochirotid holothuroids (Echinodermata: Holothuroidea: Dendrochirotida)
Some analysis is reported of marsupial brood-protection by Antarctic dendrochirotid holothuroids: the “Cucumaria georgiana group”; Echinopsolus acanthocola Gutt; Eichler, J., Altoff, L., Falconer, A., Mackenzie, M., Whitfi eld, E., Rowley, C.
THE NEW ZEALAND CUCUMARIIDAE (ECHINODERMATA, HOLOTHUROIDEA)
Five New Zealand and Australian cucumariid species, previously referred to the European genus Ocnus Forbes and Goodsir, are assigned to other genera and a key is provided for the New Zealand species of Cucumariidae.
Antarctic and Sub-Antarctic species of Psolidium Ludwig (Echinodermata:Holothuroidea: Psolidae)
A key is provided for the 11 Antarctic and Sub-Antarctic species of Psolidium Ludwig.
Exploring the effect of blast design on SAG mill throughput at KCGM
Traditionally, blasts in mining operations are designed to prepare the in situ rock mass for excavation and transport without much consideration being given to the downstream comminution processes.…
A review of pygal-furrowed Synallactidae (Echinodermata: Holothuroidea), with new species from the Antarctic, Atlantic and Pacific oceans
This work reviews the genera and species of pygal-furrowed Synallactidae and describes new species from the collections of the United States National Museum of Natural History and reassigns species previously referred to Meseres to Molpadiodemas or Pseudostichopus.