Synonymy of the New Zealand corophiid amphipod genus,<i>Chaetocorophium</i>Karaman, 1979, with<i>Paracorophium</i>Stebbing, 1899: Morphological and genetic evidence

Chapman, Mark A.; Hogg, Ian D.; Schnabel, Kareen E.; Stevens, Mark I.

doi:10.1080/03014223.2002.9517693

Cited by 8 publications

(8 citation statements)

References 16 publications

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“…Estuaries are spatially discrete habitats, often separated by ecophysiological boundaries, as well as geographical distance, which may limit gene flow (Cognetti & Maltagliati, 2000; Dawson, Staton & Jacobs, 2001). Currently, three recognized Paracorophium species ( Paracorophium excavatum , Paracorophium lucasi , and Paracorophium brisbanensis ) occur in New Zealand (Chapman et al ., 2002). Of these, P. brisbanensis is a recent introduction (originating from Australia) and, to date, has only been found in Tauranga Harbour (Stevens, Hogg & Chapman, 2002).…”

Section: Introductionmentioning

confidence: 99%

“…Of these, P. brisbanensis is a recent introduction (originating from Australia) and, to date, has only been found in Tauranga Harbour (Stevens, Hogg & Chapman, 2002). Both endemic species are euryhaline, occurring in fine organic sediments in the mid to upper tidal areas of sand or mudflats of harbours and inlets, as well as in regions of rivers and freshwater lakes (Chapman et al ., 2002).…”

Section: Introductionmentioning

confidence: 99%

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The role of vicariance and dispersal on New Zealand's estuarine biodiversity: the case of Paracorophium (Crustacea: Amphipoda)

Knox

Hogg

Pilditch

2011

Biological Journal of the Linnean Society

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To investigate the role of vicariance and dispersal on New Zealand's estuarine biodiversity, we examined variability in mitochondrial cytochrome c oxidase subunit I (COI) gene sequences for the amphipod genus Paracorophium. Individuals from the two nominate endemic species (Paracorophium excavatum and Paracorophium lucasi) were collected from sites throughout the North and South Islands. Sequence divergences of 12.8% were detected among the species. However, divergences of up to 11.7% were also observed between well supported clades, suggesting the possibility of cryptic species. Nested clade analyses identified four distinct lineages from within both P. excavatum and P. lucasi, with boundaries between clades corresponding to topographical features (e.g. Cook Straight, North and East Cape). Sequence divergences of 3.7-4.9% were also observed within geographic regions (e.g. east and west coasts of the upper North Island). Genetic structure in Paracorophium appears to represent prolonged isolation and allopatric evolutionary processes dating back to the Upper Miocene and continuing through the Pliocene and early Pleistocene. On the basis of molecular clock estimates from sequence divergences and reconstructions of New Zealand's geological past, we suggest that sea level and landmass changes during the early Pleistocene (2 Mya) resulted in the isolation of previously contiguous populations leading to the present-day patterns. COI genetic structure was largely congruent with previously observed allozyme patterns and highlights the utility of COI as an appropriate marker for phylogeographic studies of the New Zealand estuarine fauna.

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Section: Introductionmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

The role of vicariance and dispersal on New Zealand's estuarine biodiversity: the case of Paracorophium (Crustacea: Amphipoda)

Knox

Hogg

Pilditch

2011

Biological Journal of the Linnean Society

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“…Trichoptera is a taxonomically and ecologically diverse component of freshwater ecosystems (winterbourn 2004), and their larvae are often used as a primary indicator of water quality (Resh 1993). Species-level assignments are often impossible for larvae (e.g., wiggins 1996) and, similar to other aquatic arthropods, matching genders can be difficult (Chapman et al 2002;Zhou et al 2007). Accordingly, a molecular identification tool would greatly assist in providing accurate species designations (sensu Ahrens et al 2007;Johanson 2007).…”

Section: Introductionmentioning

confidence: 99%

Testing use of mitochondrial COI sequences for the identification and phylogenetic analysis of New Zealand caddisflies (Trichoptera)

Hogg

Smith

Banks

et al. 2009

New Zealand Journal of Marine and Freshwater Research

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we tested the hypothesis that cytochrome c oxidase subunit 1 (COI) sequences would successfully discriminate recognised species of New Zealand caddisflies. we further examined whether phylogenetic analyses, based on the COI locus, could recover currently recognised superfamilies and suborders. COI sequences were obtained from 105 individuals representing 61 species and all 16 families of Trichoptera known from New Zealand.No sequence sharing was observed between members of different species, and congeneric species showed from 2.3 to 19.5% divergence. Sequence divergence among members of a species was typically low (mean = 0.7%; range 0.0-8.5%), but two species showed intraspecific divergences in excess of 2%. Phylogenetic reconstructions based on COI were largely congruent with previous conclusions based on morphology, although the sequence data did not support placement of the purse-cased caddisflies (Hydroptilidae) within the uncased caddisflies, and, in particular, the Rhyacophiloidea. we conclude that sequence variation in the COI gene locus is an effective tool for the identification of New Zealand caddisfly species, and can provide preliminary phylogenetic inferences. Further research is needed to ascertain the significance of the few instances of high intra-specific divergence and to determine if any instances of sequence sharing will be detected with larger sample sizes.

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“…P. helmsii occurs on both islands, from Canterbury and Greymouth to north of Auckland (Chapman 1993), but is primarily in coastal freshwaters, except in the Waikato River catchment where it occurs well inland. This inland occurrence of an otherwise coastal species is comparable to that of Paracorophium lucasi which is also coastal (but estuarine), though extending into inland freshwaters in the Waikato River system and the Rotorua lakes (Chapman et al 2002). The hypogean P.fragilis is present from Canterbury northwards in the South Island, but no hypogean phreatogammarids have been reported so far from the North Island (Fenwick 2000).…”

Section: Discussionmentioning

confidence: 64%

A revision of the Phreatogammaridae (Crustacea, Amphipoda) of New Zealand. Part 2:Phreatogammarus fragilisandP. propinquus

Chapman¹

2004

Journal of the Royal Society of New Zealand

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Synonymy of the New Zealand corophiid amphipod genus,ChaetocorophiumKaraman, 1979, withParacorophiumStebbing, 1899: Morphological and genetic evidence

Cited by 8 publications

References 16 publications

The role of vicariance and dispersal on New Zealand's estuarine biodiversity: the case of Paracorophium (Crustacea: Amphipoda)

The role of vicariance and dispersal on New Zealand's estuarine biodiversity: the case of Paracorophium (Crustacea: Amphipoda)

Testing use of mitochondrial COI sequences for the identification and phylogenetic analysis of New Zealand caddisflies (Trichoptera)

A revision of the Phreatogammaridae (Crustacea, Amphipoda) of New Zealand. Part 2:Phreatogammarus fragilisandP. propinquus

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