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Re-examination of the taxonomy of the macrobrachium australiense holthuis (Decapoda: Palaemonidae) species-complex: molecular evidence for a single species

Murphy, Nicholas P., Short, John W. and Austin, Christopher 2004, Re-examination of the taxonomy of the macrobrachium australiense holthuis (Decapoda: Palaemonidae) species-complex: molecular evidence for a single species, Invertebrate systematics, vol. 18, pp. 227-232, doi: 10.1071/IS03003.

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Title Re-examination of the taxonomy of the macrobrachium australiense holthuis (Decapoda: Palaemonidae) species-complex: molecular evidence for a single species
Author(s) Murphy, Nicholas P.
Short, John W.
Austin, ChristopherORCID iD for Austin, Christopher orcid.org/0000-0003-1848-6267
Journal name Invertebrate systematics
Volume number 18
Start page 227
End page 232
Publisher CSIRO Publishing
Place of publication Collingwood, Vic.
Publication date 2004
ISSN 1445-5226
1447-2600
Summary The freshwater shrimp Macrobrachium australiense is distributed throughout the majority of inland, north-west, north-east and eastern drainages. Owing to the large amount of morphological divergence, both between and within catchments, this species has proven to be taxonomically difficult and, until recently, consisted of three separate species, each with subsequent subspecies. This study uses nucleotide sequences from the 16S rRNA mitochondrial gene region to investigate the genetic relationships between populations and confirm the taxonomic status of M. australiense. The results from sequencing an approximately 450-bp fragment from this gene region from M. australiense sampled from 12 locations across inland, eastern and northern Australia identified very little variation. The variation found between 16S M. australiense haplotypes is much less than that found between Macrobrachium species, indicating that it is in fact a single species. The results are concordant with a recent morphological revision of Australian species in which nominal taxa of the M. australiense complex were synonymised.
Language eng
DOI 10.1071/IS03003
Field of Research 060399 Evolutionary Biology not elsewhere classified
HERDC Research category C1 Refereed article in a scholarly journal
Copyright notice ©2004, CSIRO
Persistent URL http://hdl.handle.net/10536/DRO/DU:30002739

Document type: Journal Article
Collection: School of Ecology and Environment
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