Kuwaita heteropoda
Scientific Name: Kuwaita heteropoda, English Name: Clamworm, Local Name: Somudra Bicha (সমুদ্র বিছা), Somudra Changa (সমুদ্র ছ্যাংগা) ; Family: Lumbrineridae
Scoletoma tetraura
Scientific Name: Scoletoma tetraura, English Name: False earthworm, Local Name: Somudra Bicha (সমুদ্র বিছা), Somudra Changa (সমুদ্র ছ্যাংগা) ; Family: Lumbrineridae
Leocrates claparedii
Scientific Name: Leocrates claparedii, English Name: Clamworm, Local Name: Somudra Bicha (সমুদ্র বিছা), Somudra Changa (সমুদ্র ছ্যাংগা) ; Family: Hesionidae
Glycera lancadivae
Scientific Name: Glycera lancadivae, English Name: Clamworm, Local Name: Somudra Bicha (সমুদ্র বিছা), Somudra Changa (সমুদ্র ছ্যাংগা) ; Family: Glyceridae
Marphysa mossambica
Scientific Name: Marphysa mossambica, English Name: Clamworm, Local Name: Somudra Bicha (সমুদ্র বিছা), Somudra Changa (সমুদ্র ছ্যাংগা) ; Family: Eunicidae
Dasybranchus caducus
Scientific Name: Dasybranchus caducus, English Name: Clamworm, Local Name: Somudra Bicha (সমুদ্র বিছা), Somudra Changa (সমুদ্র ছ্যাংগা) ; Family: Capitellidae
Eurystomina indica
Scientific Name: Eurystomina indica, English Name: Roundworm, Local Name: Not Known; Family: Enchelidiidae
Filenchus marinus
Scientific Name: Filenchus marinus, English Name: Roundworm, Local Name: Not Known; Family: Tylenchidae
Deontolaimus tardus
Scientific Name: Deontolaimus tardus, English Name: Roundworm, Local Name: Not Known; Family: Camacolaimidae
Deontolaimus longicauda
Scientific Name: Deontolaimus longicauda, English Name: Roundworm, Local Name: Not Known; Family: Camacolaimidae