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Scientific Name: Cerithidea obtusa (Lamarck, 1822)
English Name: Obtuse horn shell
Local/Bangla Name: motra leza (মোত্রা ল্যাজা)
Classification:
Kingdom: Animalia
Phylum: Mullusca
Class: Gastropoda
Order: Caenogastropoda
Family: Potamididae
Description:
The coloration is a pale pinkish hue, with the lip and columella being white, and the aperture displaying light brown tones with dark brown bands. The shell is elongated, sturdy, and substantial, comprising 7-8 whorls. The body whorl is as broad as it is high. The aperture is distinctly spherical and wide, with an outer lip that is both expanded and curved. The columella is relatively weak. The outer lip is thick and flattened on the inside, presenting a smooth surface. The operculum is circular and features multiple spirals with a central nucleus. The shell is ornamented with 6-7 spiral ridges and 8-10 axial ribs.
Habitat & Distribution in Bangladesh:
Mangrove swamps and estuaries of Bangladesh
Environment:
Brackish
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:

Hossain MS, Sharifuzzaman SM, Chowdhury SR, Chowdhury MSN, Sarkar S, Islam MR and Talukder A (2014) Sea Shells of Bangladesh: Marine Gastropod and Bivalve Molluscs Biodiversity.1-44pp

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

DNA Barcodes from Bangladesh
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Other DNA Barcodes & Nucleutide Sequences
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