Thylacodes medusae - Marine Biodiversity Portal of Bangladesh

Scientific Name: Thylacodes medusae (Pilsbry, 1891)

Synonym: Serpulorbis medusae (Currently unaccepted)

English Name: Jellyfish worm shell

Local/Bangla Name: Nali poka (নালি পোকা)

Photo: Joop Trausel | Frans Slieker (GBIF)

Classification:

Kingdom: Animalia

Phylum: Mollusca

Class: Gastropoda

Order: Littorinimorpha

Family: Vermetidae

Description:

Shell is yellowish brown. It is irregularly coiled. Surface is sculptured with spiral ribs. Aperture circular

Habitat & Distribution in Bangladesh:

St. Martin’s island

Environment:

Marine

References:

Siddiqui KU, Islam MA, Kabir SMH, Ahmad M, Ahmed ATA, Rahman AKA, Haque EU, Ahmed ZU, Begum ZNT, Hassan MA, Khondker M, Rahman MM (2007) Encyclopedia of Flora and Fauna of Bangladesh, Vol. 17. Molluscs. Asiatic Society of Bangladesh, Dhaka 415 pp.

Slieker F J A, van der Es H, Andeweg R, Langeveld B W, Schnörr S (2025). Natural History Museum Rotterdam - Specimens. Version 1.46. Natural History Museum Rotterdam. Occurrence dataset https://doi.org/10.15468/kwqaay accessed via GBIF.org on 2026-06-11. https://www.gbif.org/occurrence/2570123800

Scientific Name: Thylacodes medusae (Pilsbry, 1891)

Classification:

Description:

Habitat & Distribution in Bangladesh:

Environment:

References:

DNA Barcodes from Bangladesh

GenBank Accession Number:

Other DNA Barcodes & Nucleutide Sequences

IUCN conservation status:

Other Information