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Scientific Name: Turritella attenuata Reeve, 1849
English Name: screw shell
Local/Bangla Name: Lomba leza (লম্বা ল্যাজা)
screw shell - Lomba leza (লম্বা ল্যাজা) - Turritella attenuata - Type: Sea_snails

Photo: Anna (GBIF)

Classification:
Kingdom: Animalia
Phylum: Mullusca
Class: Gastropoda
Order: Caenogastropoda
Family: Turritellidae
Description:
The shell is sizeable, robust, elongated, and tapering, consisting of 15-16 rounded whorls that progressively increase in size from the pointed apex to the front end. Each whorl displays a single prominent spiral ridge, along with a few fainter ones. The suture is clearly defined, and the whorls exhibit a strong keel in the middle, with a sloping upper portion and a curved lower portion. The aperture is nearly circular and slightly sinuous. In terms of color, the exterior ranges from light brown to a pinkish hue, with the upper part of each whorl showing a touch of blue, while the sharp spiral ridges appear whitish.
Habitat & Distribution in Bangladesh:
St. Martin’s and Sonadia islands, Cox’s Bazar and the Sundarbans area
Environment:
Marine
Main 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.

Other References:

Antu DR, Islam TT, Ahmed MR, Ahmed S, Datta SK, Ahmed MS (2023) Diversity of Bivalves and Gastropods in Sonadia Island, Bangladesh. Bioresearch Communications-(BRC), 9(01), 1225-1236. https://doi.org/10.3329/brc.v9i1.63603

Bhuiyan, M. M. S. Malacofaunal Diversity in Sonadia Island of Bangladesh.

DNA Barcodes from Bangladesh
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Other DNA Barcodes & Nucleutide Sequences
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