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Scientific Name: Hermundura annandalei (Fauvel, 1932)

Synonym: Talehsapia annadalei (Currently unaccepted)

English Name: Clamworm
Local/Bangla Name: Somudra Bicha (সমুদ্র বিছা), Somudra Changa (সমুদ্র ছ্যাংগা)
Clamworm - Somudra Bicha (সমুদ্র বিছা), Somudra Changa (সমুদ্র ছ্যাংগা) - Hermundura annandalei - Type: Fireworms

Photo: Encyclopedia of life

Classification:
Kingdom: Animalia
Phylum: Annelida
Class: Polychaeta
Order: Phyllodocida
Family: Pilargidae
Description:
The coloration is a yellowish-white shade, featuring broad, circular, purple spots on the sides, typically with about five encircling the feet. The prostomium is small and forms a blunt cone, lacking eyes, tentacles, or any protrusions. The mouth is wide. The proboscis is always extended, covered by a soft, cylindrical, transparent membrane and does not have any papillae, but it does possess two thin, curved chitinous jaws that are connected on both sides. The first five segments are swollen and marked with polygonal patterns, while the subsequent segments have a beaded appearance. The feet are composed of a blunt, cylindrical, setigerous lobe with a small ventral cirrus, and the dorsal ramus is rudimentary, usually bearing 1-2 simple setae and an aciculum.
Habitat & Distribution in Bangladesh:
Shakbaria, Patkosta, Nilkamal and Chandpai areas of the Sundarbans estuary
Environment:
Marine
Main References:

Kabir SMH, Ahmed M, Ahmed ATA, Rahman AKA, Ahmed ZU, Begum ZNT, Hassan MA, Khondoker M (EDS.) 2009 Encyclopedia of flora and fauna of Bangladesh, Vol. 16. Annelida Echainodermata Acanthocephala and Minor Phyla.. Asiatic Society of Bangladesh, Dhaka. 232 pp.

Other References:
DNA Barcodes from Bangladesh
GenBank Accession Number:
Other DNA Barcodes & Nucleutide Sequences
Other Information