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Daphnia obtusa Kurz, 1874 emend Scourfield, 1942 from Australia

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dc.contributor Australian Plague Locust Commiss
dc.contributor Australian Inst Marine Sci
dc.contributor Australian Institute Of Marine Science
dc.contributor Australian Institute Of Marine Science (aims) en
dc.contributor.author HODGES, AMA
dc.contributor.author BENZIE, JAH
dc.date.accessioned 2013-02-28T06:43:21Z
dc.date.accessioned 2013-02-28T06:43:21Z
dc.date.accessioned 2017-03-21T00:59:45Z
dc.date.accessioned 2019-05-09T01:12:45Z
dc.date.available 2013-02-28T06:43:21Z
dc.date.available 2013-02-28T06:43:21Z
dc.date.available 2017-03-21T00:59:45Z
dc.date.available 2019-05-09T01:12:45Z
dc.date.issued 1996-10-11
dc.identifier 2865 en
dc.identifier.citation Benzie JAH and Hodges AMA (1996) Daphnia obtusa Kurz, 1874 emend Scourfield, 1942 from Australia. Hydrobiologia. 333: 195-199. en
dc.identifier.issn 0018-8158
dc.identifier.uri http://epubs.aims.gov.au/11068/2865
dc.description.abstract Specimens of Daphnia found in Lake Burley Griffin in December 1994 (austral summer), were taken into laboratory culture where males and ephippial females were generated. All the key morphological features of the females, males and ephippia (resting eggs) fitted those described for Daphnia obtusa Kurz, 1874 emend Scourfield, 1942 not yet recorded from Australia. There were major differences between the specimens from Lake Burley Griffin and descriptions of D, jollyi, the only other species from the subgenus Daphnia in Australia which has a fringe of long setae in the mid-region of the ventral margin of the carapace. In addition, D. jollyi is endemic to the south-west of Western Australia. The discovery of D. obtusa does not provide evidence for the existence of this taxon in Australia since the breakup of Gondwana in the Cretaceous. Its discovery in an artificial lake opened in 1964, and which has been extensively sampled without detection of this species over the last 10-20 years, suggests a recent introduction from overseas.
dc.language English
dc.language en en
dc.relation.ispartof Null
dc.relation.ispartof Hydrobiologia - pages: 333: 195-199 en
dc.subject Cladocera
dc.subject Marine & Freshwater Biology
dc.subject Genus Daphnia
dc.subject Daphnia Obtusa
dc.subject Australia
dc.subject Biogeography
dc.title Daphnia obtusa Kurz, 1874 emend Scourfield, 1942 from Australia
dc.type journal article en
dc.identifier.wos WOS:A1996VR84200006


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