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Scientific Name: Planaxis sulcatus (Born, 1778)
English Name: Sulcate planaxis, Ribbed Clusterwink, Furrowed Clusterwink
Local/Bangla Name: Beguni Shamuk (বেগুনি শামুক)
Classification:
Kingdom: Animalia
Phylum: Mullusca
Class: Gastropoda
Order: Caenogastropoda
Family: Planaxidae
Description:
The aperture takes on an oval to lyre-shaped form and has a ribbed inside lip with clear spiral ridges. The columella is short and ends in a truncate manner, featuring small teeth. There’s a V-shaped anterior canal and a shallowly grooved posterior canal. The operculum is thin, chitinous, and horn-like. The shell has a narrow umbilicus. Its coloration includes a purplish to brown hue on the body surface, with light grey or whitish spots on the cords, which can be either abundant or scattered. The inner edge of the outer lip and the base of the columella are purplish-brown, while the aperture, columella, and parietal callus are whitish.
Habitat & Distribution in Bangladesh:
St. Martin’s Cheradia and Sonadia Islands and Teknaf sea beach 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:
DNA Barcodes from Bangladesh
GenBank Accession Number:
Other DNA Barcodes & Nucleutide Sequences
Other Information