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A new cryptic species of Neanthes (Annelida: Phyllodocida: Nereididae) from Singapore confused with Neanthes glandicincta Southern, 1921 and Ceratonereis (Composetia) burmensis (Monro, 1937)

Lee, Yen-Ling and Glasby, Christopher J. (2015). A new cryptic species of Neanthes (Annelida: Phyllodocida: Nereididae) from Singapore confused with Neanthes glandicincta Southern, 1921 and Ceratonereis (Composetia) burmensis (Monro, 1937). Raffles Bulletin of Zoology,Supplement No. 31:75-95.

Document type: Journal Article
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IRMA ID 84376995xPUB320
Title A new cryptic species of Neanthes (Annelida: Phyllodocida: Nereididae) from Singapore confused with Neanthes glandicincta Southern, 1921 and Ceratonereis (Composetia) burmensis (Monro, 1937)
Author Lee, Yen-Ling
Glasby, Christopher J.
Journal Name Raffles Bulletin of Zoology
Publication Date 2015
Volume Number Supplement No. 31
ISSN 0217-2445   (check CDU catalogue  open catalogue search in new window)
Start Page 75
End Page 95
Total Pages 21
Place of Publication Singapore
Publisher Raffles Museum of Biodiversity Research
HERDC Category C1 - Journal Article (DIISR)
Abstract A new cryptic species of Neanthes (Nereididae), N. wilsonchani, new species, is described from intertidal
mudflats of eastern Singapore. The new species was confused with both Ceratonereis (Composetia) burmensis
(Monro, 1937) and Neanthes glandicincta Southern, 1921, which were found to be conspecific with the latter name
having priority. Neanthes glandicincta is newly recorded from Singapore, its reproductive forms (epitokes) are
redescribed, and Singapore specimens are compared with topotype material from India. The new species can be
distinguished from N. glandicincta by slight body colour differences and by having fewer pharyngeal paragnaths
in Areas II (4–8 vs 7–21), III (11–28 vs 30–63) and IV (1–9 vs 7–20), and in the total number of paragnaths for
all Areas (16–41 vs 70–113). No significant differences were found in the morphology of the epitokes between the
two species. The two species have largely non-overlapping distributions in Singapore; the new species is restricted
to Pleistocene coastal alluvium in eastern Singapore, while N. glandicinta occurs in western Singapore as well as
in Malaysia and westward to India.
Keywords Polychaete
New species
Taxonomy
Ragworm
Description for Link Link to published version
URL http://lkcnhm.nus.edu.sg/nus/images/data/raffles_bulletin_of_zoology/supplement31/S31rbz075-095.pdf
 
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