A new species of Quinquelaophonte (Copepoda: Harpacticoida) from Argentina

Sciberras, Michel; Bulnes, Verónica Natalia; Cazzaniga, Néstor J.

doi:10.1590/s1984-46702014000500010

Cited by 6 publications

(6 citation statements)

References 8 publications

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“…1C; 5B; 8B). The new species has other reduced features compared with Q. koreana: six or seven setae on P3 exp-3 in both sexes (eight setae in Q. koreana); no inner seta on Sciberras, Bulnes & Cazzaniga, 2014;C, Charry et al, 2019;D, Mielke, 1997;E, Wells, Hicks & Coull, 1982;F, Wilson, 1932;G, Coull, 1976;Coull, 1986;H, Gómez & Morales-Serna, 2013;I, Lee, 2003;J, Lang, 1965;K, Bozic, 1964;Bozic, 1969;L, Walker-Smith, 2004;M, Sewell, 1924;N, Wells & McKenzie, 1973;O, Bjornberg, 2010;P, Hamond, 1973. a Mielke (1997 illustrated four setae in a figure but said an ''outer lobe with a slender seta.…”

Section: Discussionmentioning

confidence: 88%

“…A, this study; B, Sciberras, Bulnes & Cazzaniga, 2014;C, Charry et al, 2019;D, Mielke, 1997;E, Wells, Hicks & Coull, 1982;F, Wilson, 1932;G, Coull, 1976;Coull, 1986;H, Gómez & Morales-Serna, 2013;I, Lee, 2003;J, Lang, 1965;K, Bozic, 1964;Bozic, 1969;L, Walker-Smith, 2004;M, Sewell, 1924;N, Wells & McKenzie, 1973;O, Bjornberg, 2010;P, Hamond, 1973. a Bozic (1969 mentioned morphological differences between materials of La Réunion and Bermudes.…”

Section: Notesmentioning

confidence: 80%

“… Notes. A this study B Sciberras, Bulnes & Cazzaniga, 2014 C Charry et al, 2019 D Mielke, 1997 E Wells, Hicks & Coull, 1982 F Wilson, 1932 G Coull, 1976 ; Coull, 1986 H Gómez & Morales-Serna, 2013 I Lee, 2003 J Lang, 1965 K Bozic, 1964 ; Bozic, 1969 L Walker-Smith, 2004 M Sewell, 1924 N Wells & McKenzie, 1973 O Bjornberg, 2010 P Hamond, 1973 a Mielke (1997) illustrated four setae in a figure but said an “outer lobe with a slender seta. Close to that lobe 2 slender and 2 strong setae are arranged”.…”

Section: Discussionmentioning

confidence: 94%

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Quinquelaophonte enormissp. nov., a new interstitial copepod (Harpacticoida: Laophontidae) from Korea

Kim

Nam

Lee

2020

PeerJ

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We collected an undescribed laophontid copepod from a coarse sand habitat on the east coast of Korea and named it Quinquelaophonte enormis sp. nov. We compared the detailed morphological characteristics of the new species with those of congeneric species. Among them, the new species shows a superficial resemblance to the Californian species Quinquelaophonte longifurcata Lang, 1965. However, the two species are easily distinguishable by the setation of the syncoxa on the maxilliped and the fourth swimming leg. The new species has the variable setation on the second to fourth swimming legs. The variations appear among individuals or between the left and right rami of a pair of legs in a single specimen. Although complex chaetotaxical polymorphism occur in this new species, we used myCOI and Cytb to confirm that the new species is not a species complex. Also, partial sequences of 18S and 28S ribosomal RNA genes were used to analyze the position of the new species within the family Laophontidae. The new speciesis the fourteenth Quinquelaophonte species in the world and the second species in Korea.

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Section: Discussionmentioning

confidence: 88%

Section: Notesmentioning

confidence: 80%

Section: Discussionmentioning

confidence: 94%

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Quinquelaophonte enormissp. nov., a new interstitial copepod (Harpacticoida: Laophontidae) from Korea

Kim

Nam

Lee

2020

PeerJ

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“…Meiobenthic copepods constitute a neglected taxonomic group in Argentina and particularly, for Buenos Aires coasts the knowledge on this group has remained limited to a handful of papers (Ramírez 1971;Sciberras et al 2014;2018;2021). Even less is known about the state of conservation of the Argentinean coasts and how anthropogenic activities impact meiobenthos.…”

Section: Discussionmentioning

confidence: 99%

Organic enrichment negatively impacts meiobenthic copepods on Argentinean coasts

Sciberras,

MENECHELLA,

PÉREZ-MÉNDEZ

et al. 2023

Preprint

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Organic enrichment is a major threat to coastal environments, yet its impact on meiobenthic animals remains poorly understood. In marine sediments, copepods belong to the dominant taxa and they are known to regulate organic matter degradation and nutrient cycling. Here we performed a large-scale observational study to assess the impact of an increase in organic matter on meiobenthic copepod. We established a relation between the content of organic matter that reaches the coasts through eight rivers and the richness and diversity of meiobenthic copepods. In each site, three sampling points were considered (river-mouth, 200 m north, and 200 m south) and for each of these we estimated taxa diversity and taxa richness, organic matter concentration, and environmental parameters. We found that organic enrichment was negatively correlated with both taxa diversity and taxa richness, and this relation was stronger at river mouths. We also found a synergic interaction between salinity and organic matter content; instead, temperature and pH seemed not to be structuring the copepod community. This study provides evidence of the potential negative impact of coastal organic enrichment on the copepod diversity.

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“…The variability appears between populations, within a population, and between left and right rami. Quinquelaophonte species inhabit various substrata, e.g., silty sand, intertidal mud, and gravel, and are widely distributed around the world, e.g., the Central Indo-Pacific [5], Western Indo-Pacific [6,7], Temperate Australasia [1,8,9], Temperate Northern Atlantic [10][11][12], Tropical Atlantic [13], Temperate South America [14,15], and Temperate Northern Pacific [16,17] realms. All Quinquelaohponte species were reported from Diversity 2023, 15, 1168 2 of 21 only the type locality or relatively close localities, with two exceptions, Q. quinquespinosa (Sewell, 1924) and Q. capillata (Wilson, 1932).…”

Section: Introductionmentioning

confidence: 99%

An Integrative Approach for Identifying Quinquelaophonte (Harpacticoida, Laophontidae) Species from Korea with the Description of a New Species

Kim,

Lee

2023

Diversity

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Quinquelaophonte is a genus of laophontid harpacticoid, including 13 valid species around the world. Many of them are known to possess inter- and/or intra-individual variations in their swimming legs. During a survey of the meiofaunal biodiversity of Jeju Island in Korea, specimens of Quinquelaophonte were collected from an intertidal zone off the west coast of Jeju Island. This study examined the morphological characteristics and amplified partial sequence of four genes (18S rRNA, 28S rRNA, COX1, and CYTB). As with other Quinquelaophonte species, specimens of this new species showed variability in the chaetotaxy of their swimming legs in both sexes. There was a setal arrangement pattern in females that could be considered a standard, whereas male individuals showed two sets of the chaetotaxy on the fourth swimming legs. The molecular data confirmed that individuals belonged to a single species, regardless of morphological variations. The result of the morphological comparison showed that the new Quinquelaohponte species shared some characteristics with congeneric species but included some specific morphological characters different from its congeners. The new species was named Quinquelaophonte sominer sp. nov. and was presented with detailed descriptions, illustrations, and confocal micrographs. Furthermore, phylogenetic analyses were conducted using newly obtained data plus the sequences of other copepods and two Quinquelaophonte species. The result suggested that Q. sominer sp. nov. and two congeners were classified as branched lineages. This discovery brings the total number of species to three in the Northwest Pacific region.

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A new species of Quinquelaophonte (Copepoda: Harpacticoida) from Argentina

Cited by 6 publications

References 8 publications

Quinquelaophonte enormissp. nov., a new interstitial copepod (Harpacticoida: Laophontidae) from Korea

Quinquelaophonte enormissp. nov., a new interstitial copepod (Harpacticoida: Laophontidae) from Korea

Organic enrichment negatively impacts meiobenthic copepods on Argentinean coasts

An Integrative Approach for Identifying Quinquelaophonte (Harpacticoida, Laophontidae) Species from Korea with the Description of a New Species

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