Cyathoshiva amaleshi gen. n. sp. n. (Nematoda: Cyatholaimidae) from the coast of India

Datta, Tridip Kumar; Miljutin, Dmitry M.; Chakraborty, Susanta Kumar; Mohapatra, Anil

doi:10.11646/zootaxa.4126.4.8

Cited by 6 publications

(2 citation statements)

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“…Cuticle transversely punctated with lateral differentiation in form of slightly enlarged dots hardly visible along the body, except in tail (Figure 2C); buccal cavity with well-developed dorsal tooth and two subventral teeth; supplements having basal tubular part inserted mostly within the body and distal part in shape of indistinct papilla or short setae (Figure 3D); and proximally unpaired and distally paired gubernaculum, dilated and dentate (Figure 4J2; Datta et al, 2016).…”

Section: Genus Cyathoshiva Datta Miljutin Chakraborty and Mohapatra 2...mentioning

confidence: 99%

Diversity and Distribution of Cyatholaimidae (Chromadorida: Nematoda): A Taxonomic and Systematic Review of the World Records

2022

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Nematoda is a very species-rich phylum that has successfully adapted to almost all types of ecosystems. Despite their abundance and ecological importance, the taxonomic knowledge of nematodes is still limited and the identification of species is not trivial. In Cyatholaimidae, a relatively common and abundant family of free-living nematodes, the identification of organisms is challenging due to the overlap of some generic diagnoses and the absence of updated systematic reviews. Here we systematically reviewed the knowledge about the family diversity, providing a list of valid species, the diagnostic characters to genus level, and the geographical and habitat distribution of species. The review systematized a total of 619 records. The occurrences were classified into biogeographic ecoregions and habitats. Cyatholaimidae includes 211 valid species, classified in 20 genera. The genera can be differentiated based on six diagnostics characters, namely: pattern of cuticle ornamentation; number of longitudinal rows of pore-complex in cuticle; structures of the buccal cavity; presence/absence of pharyngeal bulb; pre-cloacal supplements aspect; and the shape of gubernaculum. Cyatholaimidae includes mainly marine species, mostly occurring in the Coastal Zone. Four and three species were registered in freshwater and terrestrial habitats, respectively, all classified in the genus Paracyatholaimus. About 38% of the valid species occur in more than one type of habitat, under very different environmental conditions, suggesting a broad niche. The occurrence of congeneric species in different habitats types indicates that, throughout the evolutionary history of the family, multiple ecological shift events have occurred. The family occurs worldwide in 74 ecoregions, and the majority of the records and species are in the North Sea and Western Mediterranean. Most species are endemic to one ecoregion, and examples of broadly distributed ones may be a result of misidentifications or cases of long-distance dispersal, especially for those associated with biological substrates.

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Section: Genus Cyathoshiva Datta Miljutin Chakraborty and Mohapatra 2...mentioning

confidence: 99%

Diversity and Distribution of Cyatholaimidae (Chromadorida: Nematoda): A Taxonomic and Systematic Review of the World Records

2022

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“…Sinha et al [77] discovered free-living marine nematode Anoplostoma macrospiculum from Indian coast after independence. Some research studies undertaken by Datta et al [79], Datta et al [80][81][82], Jacob et al [83][84][85] have been able to describe some free-living marine nematodes in recent time from North-East coast, West coast and around Andaman sea of India respectively.…”

Section: Review Articlementioning

confidence: 99%