New species of the genus Inversidens Haas, 1911 (Unionoida, Unionidae, Gonideinae) from Jiangxi Province, China

Wü, Ray; Liu, Xiongjun; Kondo, Takaki; Ouyang, Shan; Wu, Xiaoping

doi:10.3897/zookeys.1054.69075

Cited by 9 publications

(9 citation statements)

References 17 publications

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“…These regions have the potential to harbour undiscovered, mysterious species. Recent studies conducted in China have revealed new species, thus corroborating this point (Chen et al, 2023;Dai et al, 2023;Wu, Liu, et al, 2021;Wu et al, 2022Wu et al, , 2023.…”

Section: Introductionsupporting

confidence: 62%

“… Note : Characteristic descriptions of P. capitata , P. sichuanensis , P. yangshuoensis , and P. wuana are referenced from published works (Liu et al., 2023; Wu et al., 2022, 2023). …”

Section: Resultsmentioning

confidence: 99%

“…Five species of Pseudocuneopsis have varying distributions. Except for P. capitata , which is found in provinces in the middle and lower reaches of the Yangtze River, all species have narrow distribution (Liu et al., 1979, 2022; Wu et al., 2022, 2023). Although P. yemaoi sp.…”

Section: Discussionmentioning

confidence: 99%

“…Cuneopsis capitata (Heude, 1874) and a new species, Pseudocuneopsis sichuanensis Huang, Dai, Chen & Wu, have been classified within Pseudocuneopsis , while Cuneopsis pisciculus has been placed under Tchangsinaia , and the remaining species are still in Cuneopsis (Wu et al., 2022, 2023). Soon after identifying the new genus, Pseudocuneopsis , two additional species, Pseudocuneopsis yangshuoensis Wu and Liu, 2023, and Pseudocuneopsis wuana Liu and Wu, 2023, were discovered in Guangxi through the analysis of the mitochondrial cytochrome c oxidase subunit I ( COI ) gene (Liu et al., 2023; Wu et al., 2023). However, there is a lack of further data to precisely illustrate the phylogenetic relationships within Pseudocuneopsis .…”

Section: Introductionmentioning

confidence: 99%

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Revisiting the genus Pseudocuneopsis (Bivalvia, Unionidae): Morphology, mitochondrial phylogenomics, and the description of a new species

Dai,

Chen,

Peng

et al. 2024

Zoologica Scripta

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Species diversity can be underestimated due to a lack of regional studies and limitations in research methods. China is widely recognized as one of the primary hotspots for the biodiversity of freshwater mussels as it harbours a wealth of endemic species. Pseudocuneopsis was recently established to belong to the Unioninae subfamily within Unionidae and is endemic to China. Recent research has expanded the diversity and range of distribution of this genus. However, sufficient data is required to precisely determine the phylogenetic relationships within Pseudocuneopsis. This study conducted an integrative taxonomy using morphological, COI barcode, and complete maternal mitogenome data to clarify the taxonomy of Pseudocuneopsis. Both morphological and COI barcode data supported the validity of all Pseudocuneopsis species. Furthermore, a new species, Pseudocuneopsis yemaoi sp. n. was described from a tributary of the Man River in Hubei, China. Mitochondrial phylogenomic analyses showed that P. yemaoi was closely related to P. sichuanensis and resolved phylogenetic relationship as (P. capitata + (P. yangshuoensis + (P. sichuanensis + P. yemaoi))). Our results highlight the significance of utilizing integrative classification methods. Moreover, we propose enhancing the research and preservation measures of minor streams in China, as these streams may house distinctive species.

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Section: Introductionsupporting

confidence: 62%

“… Note : Characteristic descriptions of P. capitata , P. sichuanensis , P. yangshuoensis , and P. wuana are referenced from published works (Liu et al., 2023; Wu et al., 2022, 2023). …”

Section: Resultsmentioning

confidence: 99%

Section: Discussionmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

See 2 more Smart Citations

Revisiting the genus Pseudocuneopsis (Bivalvia, Unionidae): Morphology, mitochondrial phylogenomics, and the description of a new species

Dai,

Chen,

Peng

et al. 2024

Zoologica Scripta

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“…Currently, there are three recognized species within this genus, i.e., Inversidens brandtii (Kobelt, 1879), Inversidens pantoensis (Neumayr, 1899), and Inversidens rentianensis Wu & Wu, 2021 [22,23]. I. brandtii is restricted to Japan [21], while I. pantoensis and I. rentianensis are endemic to China [24,25].…”

Section: Introductionmentioning

confidence: 99%

Unraveling the Phylogenetic Relationships and Taxonomic Status of a Puzzling Freshwater Mussel Genus Inversidens (Bivalvia, Unionidae) through Multilocus Phylogeny and Mitochondrial Phylogenomics

Wu,

Zhang,

Liu

et al. 2024

Journal of Zoological Systematics and Evolutionary Research

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Accurate phylogenetic reconstructions are crucial for comprehending the evolutionary histories, reproductive traits, and ecological habits of organisms. The subfamily Gonideinae of freshwater mussels is currently thought to include eight tribes. However, due to inadequate taxon sampling and molecular data, the assignment of the freshwater mussel genus Inversidens at the tribe level has been unstable. Additionally, the lack of phylogenetic data has hindered efforts to understand the basic biology and implementation of conservation efforts of Inversidens rentianensis, an endemic species to China. Here, we first present the complete mitochondrial genome of Inversidens rentianensis and offer a detailed description of its anatomical morphology. Based on DNA sequence data from five genes (COI, ND1, 16S rRNA, 18S rRNA, and 28S rRNA) and complete mitochondrial genomes, we investigated the phylogenetic position of Inversidens using various analytical methods. Both the concatenated five-gene and mitogenome datasets strongly supported that Inversidens classified to the tribe Gonideini in Gonideinae and formed a basal clade within the tribe Gonideini. Molecular dating analysis suggested that Inversidens originated during the mid-Cretaceous era (102.73 Mya, 95% highest posterior density HPD=72.22‐137.03 Mya) and underwent diversification in the Late Paleogene era (37.92 Mya, 95% HPD=20.39‐60.59 Mya). Moreover, based on the Quantitative Assessment of Species for Conservation (QASCP), Inversidens rentianensis is ranked as second priority, providing valuable insights for its management and conservation efforts. Taken together, this study provides a comprehensive understanding of the systematic position and evolutionary history of Inversidens within the currently accepted subfamily Gonideinae classification framework. These findings establish a solid foundation for future investigations on the ecology, reproductive behavior patterns, and conservation biology of this taxonomic group.

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Diversity, morphology, and phylogeny of freshwater mussels of the genus Nodularia (Bivalvia: Unionidae) from China, with descriptions of four new species

Wu,

Liu,

Zhang

et al. 2024

Zoologica Scripta

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Freshwater bivalves (Bivalvia, Unionida) are one of the most threatened groups of animals in the world. Defining species boundaries and understanding the phylogeny and genetic diversity of these species is key to guiding their conservation and management. However, the presence of significant phenotypic plasticity and convergence within this group complicates species delimitation. This includes the freshwater mussel genus Nodularia, endemic to East Asia, for which a comprehensive understanding of species diversity and phylogenetic relationships remains elusive due to inadequate sampling in previous studies, particularly in China, a widely recognized biodiversity hotspot for freshwater mussels. Here, we conduct comprehensive taxonomic and phylogenetic analyses of Nodularia species based on extensive sampling across 23 provinces in China and multiple data sources, including shell morphology, soft body anatomy, six‐gene (COI + ND1 + 16S + 18S + 28S + histone H3) and mitogenome datasets. The integrative systematics approach used here reveals 10 distinct species in this genus, four of which are new to science, i.e. Nodularia hanensis sp. nov., Nodularia huana sp. nov., Nodularia fusiformans sp. nov., Nodularia dualobtusus sp. nov. and two of which are new records for China, i.e. Nodularia dorri (Wattebled [Journal de Conchyliologie, 34, 1886, 54]) and Nodularia micheloti (Morlet [Journal de Conchyliologie, 34, 1886, 75]). We also propose that the nominal species Nodularia jourdyi (Morlet [Journal de Conchyliologie, 34, 1886, 75]) syn. nov. is a new synonym for Nodularia douglasiae (Griffith & Pidgeon, 1833) based on molecular data. BI, ML, and BEAST analyses based on the six‐gene dataset and mitochondrial phylogenomics consistently support the following phylogenetic relationships: (N. dorri + (N. hanensis sp. nov. + N. micheloti)) + (N. breviconcha + (N. huana sp. nov. + (N. fusiformans sp. nov. + ((N. nuxpersicae + N. nipponensis) + (N. dualobtusus sp. nov. + N. douglasiae))))). The molecular clock with fossil calibration indicates that Nodularia originated in the Late Cretaceous period (ca. 73.78 Mya). It then diverged into two independent clades during the Middle Paleogene (ca. 45.01 Mya), followed by a rapid burst of extant speciation during the Neogene (mean age 28.28 to 4.79 Mya). Nodularia breviconcha is the earliest differentiated taxon among the 10 Nodularia taxa, appearing during the Paleogene‐Neogene transition (28.28 Mya; 95% HPD = 14.35–48.44 Mya). Taken together, we provide a robust systematic framework for Nodularia species, addressing phylogenetic relationships, taxonomy, and evolutionary history of this group.

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New species of the genus Inversidens Haas, 1911 (Unionoida, Unionidae, Gonideinae) from Jiangxi Province, China

Cited by 9 publications

References 17 publications

Revisiting the genus Pseudocuneopsis (Bivalvia, Unionidae): Morphology, mitochondrial phylogenomics, and the description of a new species

Revisiting the genus Pseudocuneopsis (Bivalvia, Unionidae): Morphology, mitochondrial phylogenomics, and the description of a new species

Unraveling the Phylogenetic Relationships and Taxonomic Status of a Puzzling Freshwater Mussel Genus Inversidens (Bivalvia, Unionidae) through Multilocus Phylogeny and Mitochondrial Phylogenomics

Diversity, morphology, and phylogeny of freshwater mussels of the genus Nodularia (Bivalvia: Unionidae) from China, with descriptions of four new species

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