ArticleScientific reports2018
Discovery of Novaculina myanmarensis sp. nov. (Bivalvia: Pharidae: Pharellinae) closes the freshwater razor clams range disjunction in Southeast Asia.
Article in Scientific reports, 2018. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 7 papers.
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7 citing papers in PubMed.
- Complete mitochondrial genomes ofZooKeys · 2025Article
- The Complete Mitochondrial Genome and Phylogenetic Analysis of the Freshwater ShellfishInternational journal of molecular sciences · 2023Article
- Oriental freshwater mussels arose in East Gondwana and arrived to Asia on the Indian Plate and Burma Terrane.Scientific reports · 2022Article
- Article
- New freshwater mussel taxa discoveries clarify biogeographic division of Southeast Asia.Scientific reports · 2020Article
- Annotated checklist of freshwater molluscs from the largest freshwater lake in Southeast Asia.ZooKeys · 2020Article
- Eight new freshwater mussels (Unionidae) from tropical Asia.Scientific reports · 2019Article
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Abstract
The razor clam genus Novaculina represents an example of a marine-derived, secondary freshwater group. It was thought to comprise three species: N. gangetica (Ganges and smaller basins in Bangladesh and northwestern Myanmar), N. siamensis (Bang Pakong and Pasak rivers in Thailand and Mekong River in Vietnam), and N. chinensis (lower Yangtze River, China). Here we describe Novaculina myanmarensis sp. nov., an additional species from the Ayeyarwady and Salween basins representing a divergent lineage that appears to be sister to N. gangetica. This new record closes a Novaculina range disjunction between northwestern Myanmar and Thailand. The populations of this novel species share a shallow molecular divergence from each other indicating potential dispersal events between the two distant freshwater basins during the Late Pleistocene. Our ancestral area modeling suggests that the MRCA of Novaculina crown group was a salt-tolerant freshwater species. The recent Novaculina species most likely originated via allopatric speciation. Our findings highlight that generalist estuarine species could have played the role as a source for bivalve expansions into freshwater and that western Indochina is a separate biogeographic subregion, which is clearly distinct from India. A new synonymy is proposed as follows: Pharellinae Stoliczka, 1870 = Novaculininae Ghosh, 1920 syn. nov.
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