Integrative taxonomy reveals phenotypic plasticity in the freshwater mussel<i>Contradens contradens</i>(Bivalvia: Unionidae) in Thailand, with a description of a new species

Jeratthitikul, Ekgachai; Phuangphong, Supanat; Sutcharit, Chirasak; Prasankok, Pongpun; Kongim, Bangon; Panha, Somsak

doi:10.1080/14772000.2018.1554607

Cited by 18 publications

(27 citation statements)

References 47 publications

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“…Although Southeast Asian fauna of freshwater bivalves has been subject of intense research efforts during the last five years (e.g. Zieritz et al 2016;Bolotov et al 2017aBolotov et al , 2017bBolotov et al , 2019Lopes-Lima et al 2017;Jeratthitikul et al 2019;Konopleva et al 2019), the fauna of Laos is still poorly known (Zieritz et al 2018).…”

Section: Discussionmentioning

confidence: 99%

“…C. eximius (Lea, 1856), C. misellus (Morelet, 1865), C. pallegoixi (Sowerby, 1867), C. peninsularis (Simpson, 1900), and C. comptus (Deshayes & Jullien, 1874) ). Furthermore, Contradens rolfbrandti Jeratthitikul & Panha, 2019 was recently described from Thailand (Jeratthitikul et al 2019). In summary, the genus Contradens contains at least 13 valid species (Graf and Cummings 2019).…”

Section: Introductionmentioning

confidence: 97%

“…Contradens Haas 1911 is a widely distributed freshwater mussel genus, whose range covers the Mekong, Chao Phraya and Mae Klong basins, rivers of the Malay Peninsula and the Greater Sunda Islands (Zieritz et al 2016;Bolotov et al 2017aBolotov et al , 2017bPfeiffer et al 2018;Konopleva et al 2019). During recent decades some researchers attempt to revise the genus Contradens by means of an integrative taxonomic approach (Bolotov et al 2017b;Lopes-Lima et al 2017;Jeratthitikul et al 2019;Konopleva et al 2019). Based on a growing body of integrative taxonomic research, several nominal taxa were transferred from other genera to Contradens, e.g.…”

Section: Introductionmentioning

confidence: 99%

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A new Contradens from Laos (Bivalvia: Unionidae: Contradentini)

et al. 2019

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Here, we describe Contradens novoselovi sp. nov. (Bivalvia: Unionidae), a new freshwater mussel species from the Mekong Basin in Laos. Phylogenetic and morphological analyses reveal that the new taxon is closely related to Contradens comptus (Deshayes & Jullien, 1874) but can be distinguished from it by a smaller size, sub-ovate shell shape, tiny wrinkles near umbo, stronger pseudocardinal and lateral teeth, and fixed nucleotide substitutions. Contradens novoselovi sp. nov. is known only from the type locality in northwestern Laos and may represent a rare endemic species with restricted range.

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Section: Discussionmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 97%

Section: Introductionmentioning

confidence: 99%

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A new Contradens from Laos (Bivalvia: Unionidae: Contradentini)

et al. 2019

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“…All the specimens were identified to genus or species level based on shell characteristics by referring to the historical literature with original species descriptions, Brandt (1974) , Morton and Dinesen (2010) , Jeratthitikul et al (2019a , b ) and Muanta et al (2019) . The annotated species checklist is based on freshly collected specimens in this study only, and is organised according to higher classification (class, subclass or equivalent, order, superfamily), family, and species, in alphabetical order.…”

Section: Methodsmentioning

confidence: 99%

Annotated checklist of freshwater molluscs from the largest freshwater lake in Southeast Asia

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Jeratthitikul²,

Sutcharit³

et al. 2020

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The Tonle Sap Lake in Cambodia is a crucial freshwater biodiversity hotspot and supports one of the world’s largest inland fisheries. Within the Tonle Sap basin, freshwater molluscs provide vital ecosystem services and are among the fauna targetted for commercial harvesting. Despite their importance, freshwater molluscs of the Tonle Sap basin remain poorly studied. The historical literature was reviewed and at least 153 species of freshwater molluscs have been previously recorded from throughout Cambodia, including 33 from the Tonle Sap basin. Surveys of the Tonle Sap Lake and surrounding watershed were also conducted and found 31 species, 15 bivalves (five families) and 16 gastropods (eight families), in the Tonle Sap basin, including three new records for Cambodia (Scaphula minuta, Novaculina siamensis, Wattebledia siamensis), the presence of globally invasive Pomacea maculata and potential pest species like Limnoperna fortunei. This study represents the most comprehensive documentation of freshwater molluscs of the Tonle Sap basin, and voucher specimens deposited at the Inland Fisheries Research and Development Institute, Cambodia, represent the first known reference collection of freshwater molluscs in the country. In order to combat the combined anthropogenic pressures, including invasive species, climate change and dams along the Mekong River, a multi-pronged approach is urgently required to study the biodiversity, ecology, ecosystem functioning of freshwater molluscs and other aquatic fauna in the Tonle Sap basin.

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“…Consequently, several studies have documented that an integrative taxonomic approach, including molecular, morphological, and anatomical data, and including information of the reproductive biology should be used when proposing species entities (Huang et al, 2019;Jeratthitikul et al, 2019;Jirapatrasilp et al, 2019). For inferring molecular phylogenies, the mitochondrial cytochrome c oxidase subunit I (COI) and the large subunit ribosomal (r)RNA gene (16S) have been widely and successfully used to study putatively closely related land snails (Hyman et al, 2007(Hyman et al, , 2017Wu et al, 2008;Liew et al, 2009;Köhler & Criscione, 2015;Hyman & Köhler, 2018).…”

Section: Introductionmentioning

confidence: 99%

Integrative systematics reveals the new land-snail genus Taphrenalla (Eupulmonata: Ariophantidae) with a description of nine new species from Thailand

et al. 2020

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The endemic terrestrial Crown Snail from Southern Thailand formerly in Macrochlamys Gray, 1847 is now described as Taphrenalla Pholyotha & Panha gen. nov., based on comparative morphology and molecular data. Overall, eleven Taphrenalla species are now recognized, including two nominal species: T. asamurai and T. diadema. A total of nine new species are proposed: T. alba sp. nov., T. conformis sp. nov., T. corona sp. nov., T. dalli sp. nov., T. incilis sp. nov., T. macrosulcata sp. nov., T. parversa sp. nov., T. pygmaea sp. nov. and T. zemia sp. nov. The molecular phylogeny constructed from the mitochondrial cytochrome oxidase c subunit I (COI) and 16S rRNA gene fragments plus the nuclear 28S rDNA gene fragments revealed that Taphrenalla gen. nov. is monophyletic with a well-supported clade. The diagnostic characters of Taphrenalla gen. nov. are the shell sculpture with several radial grooves, body with well-developed colourful stripes running from the head to tail, and genitalia similar to Macrochamys but with an un-coiling epiphallic caecum. The spermatophore has one or two spines near the sperm sac and a spineless tail.

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Integrative taxonomy reveals phenotypic plasticity in the freshwater musselContradens contradens(Bivalvia: Unionidae) in Thailand, with a description of a new species

Cited by 18 publications

References 47 publications

A new Contradens from Laos (Bivalvia: Unionidae: Contradentini)

A new Contradens from Laos (Bivalvia: Unionidae: Contradentini)

Annotated checklist of freshwater molluscs from the largest freshwater lake in Southeast Asia

Integrative systematics reveals the new land-snail genus Taphrenalla (Eupulmonata: Ariophantidae) with a description of nine new species from Thailand

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