First records of a leptestherid clam shrimp in Australia (Crustacea, Spinicaudata, Leptestheriidae, Eoleptestheria)

Timms, Brian V.

doi:10.3897/zookeys.18.92

Cited by 9 publications

(5 citation statements)

References 15 publications

(17 reference statements)

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“…). In the few years since, ten additional species have been described or recorded from Australia (Timms ,b; Timms and Richter ; Schwentner et al. ), suggesting that overall spinicaudatan diversity is greater than previously thought.…”

Section: Discussionmentioning

confidence: 99%

Evolutionary systematics of the AustralianEocyzicusfauna (Crustacea: Branchiopoda: Spinicaudata) reveals hidden diversity and phylogeographic structure

Schwentner

Timms

Richter

2013

J Zoolog Syst Evol Res

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Although ‘large branchiopods’ are an important faunal element of the temporary water bodies in Australia's vast (semi)arid regions, knowledge of their diversity, distribution and ecology is still poor. Here, on the basis of one mitochondrial [cytochrome oxidase subunit I (COI)] and three nuclear (EF1α, ITS2 and 28S) markers, we present new data relating to the diversity and phylogeography of eastern and central Australian Eocyzicus (Spinicaudata) fauna. Using a combination of phylogenetic, haplotype network and DNA barcoding analyses of COI, 312 individuals were grouped into eleven main lineages. To infer whether these lineages are reproductively isolated from each other (the prerequisite for species delineation according to the Biological or Hennigian Species Concepts), separate analyses of each nuclear marker were performed on a subset of specimens. Although some lineages are non‐monophyletic in the analysis of one nuclear marker, this is mostly attributed to processes such as incomplete lineage sorting rather than ongoing reproduction. The eleven lineages translate into at least seven species whose reproductive isolation is additionally indicated by sympatry, including both Australian Eocyzicus species previously described. Another three lineages may constitute further species, but their clear allopatric distribution rendered the test for reproductive isolation inapplicable. One lineage appears not to be reproductively isolated and is therefore considered a genetically distinct lineage within one of the other species, and one divergent lineage within E. argillaquus may constitute an additional species. Although sympatry is very common – six species occur in the central Paroo River catchment in eastern Australia, for instance – syntopic occurrence is rare. It is possible that a combination of differing habitat preferences and priority effects inhibits the presence of more than one Eocyzicus species per water body. There is little to no genetic differentiation between certain populations of the species found in eastern and central Australia (e.g. the Murray–Darling Basin, the Bulloo River catchment and the eastern and northern Lake Eyre Basin; LEB), suggesting high dispersal rates within this large area. Between the central Australian populations themselves, however (e.g. those inhabiting the central and western LEB), genetic differentiation is pronounced, probably as a result of the lack of abundance of important dispersal vectors (aquatic birds) and the lower diversity and density of suitable habitats in the area. The most prominent biogeographical break exists towards north‐eastern Australia (north‐east LEB), which does not share species with any other region studied.

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Section: Discussionmentioning

confidence: 99%

Evolutionary systematics of the AustralianEocyzicusfauna (Crustacea: Branchiopoda: Spinicaudata) reveals hidden diversity and phylogeographic structure

Schwentner

Timms

Richter

2013

J Zoolog Syst Evol Res

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“…Only in some floodings are the peripheral tree bases flooded, but when they do, some evidence suggests diversity is enhanced. This was seen occasionally by increased (Timms, 2009;Schwentner et al, 2013). Otherwise, the trees contribute woody detritus to the wetlands and this enhances species diversity, probably not as a food source, but as secure hiding places.…”

Section: Discussionmentioning

confidence: 99%

Aquatic invertebrate community structure and phenology of the intermittent treed swamps of the semi-arid Paroo lowlands in Australia

Timms

2021

Wetlands Ecol Manage

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“…Taxonomic analysis was carried out with the help of identification keys (Dumont and Negrea, 2002;Martin and Boyce, 2004;Richter and Timms, 2005;Timms, 2009) and by comparing anatomical features of specimens of Cyclestheria sp., collected from the flooded area in the swamplands, with those of Cyclestheria hislopi, obtained from the CEPTA tanks.…”

Section: Methodsmentioning

confidence: 99%

“…At this point, the mean length of the adults was 2.7 ± 0.1 mm and the mean height was 2.2 ± 0.1 mm, Taxonomically relevant features (Figures 2 and 3), unique to this species, were used to compare specimens of Cyclestheria sp., collected from the Miranda River floodplain, and C. hislopi, from the CEPTA fish tanks, with the keys. The female body parts used were: serrated anterior rostral border, first pair of antennae tubular, with setation restricted to distal tip (Martin and Boyce, 2004), dorsal margin of the telson with large spines similarly sized, carapace circular and flattened, with growth lines (Timms, 2009).…”

Section: Organismsmentioning

confidence: 99%

Life cycle of Cyclestheria hislopi (Baird, 1859) (Crustacea, Branchiopoda)

Yashima

Baldochi

2011

Braz. J. Biol.

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The Conchostraca (clam shrimps) are a group of microcrustaceans found in freshwater habitats. They inhabit the benthos, yet many can swim actively and are often associated with macrophytes. They are filter-feeders, deriving their food from suspended particles or solids stirred up from the bottom. In Brazil, five species have been recorded and the life cycle of one of these, Cyclestheria hislopi (Baird, 1859) was investigated in this study. Specimens were collected from fish-farming tanks in upstate São Paulo and from the floodplain of the Miranda River, in the Mato Grosso swamplands of center-west, Brazil. We determined the following variables: post-embryonic development, duration of life cycle (longevity), mean period between broods, duration of instars and individual growth. Taxonomic features of the Cyclestheria sp. specimens from Mato Grosso were also assessed to check the possibility that they belonged to another species of the same genus or a separate ecotype of C. hislopi.

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First records of a leptestherid clam shrimp in Australia (Crustacea, Spinicaudata, Leptestheriidae, Eoleptestheria)

Cited by 9 publications

References 15 publications

Evolutionary systematics of the AustralianEocyzicusfauna (Crustacea: Branchiopoda: Spinicaudata) reveals hidden diversity and phylogeographic structure

Evolutionary systematics of the AustralianEocyzicusfauna (Crustacea: Branchiopoda: Spinicaudata) reveals hidden diversity and phylogeographic structure

Aquatic invertebrate community structure and phenology of the intermittent treed swamps of the semi-arid Paroo lowlands in Australia

Life cycle of Cyclestheria hislopi (Baird, 1859) (Crustacea, Branchiopoda)

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