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Scientific Name: Diodora ruppellii (G. B. Sowerby I, 1835)
English Name: keyhole limpet, Ruppell’s keyhole limpet
Local/Bangla Name: Taj shamuk (তাজ শামুক)
keyhole limpet, Ruppell's keyhole limpet - Taj shamuk (তাজ শামুক) - Diodora ruppellii - Type: Sea_snails

Photo: GBIF

Classification:
Kingdom: Animalia
Phylum: Mullusca
Class: Gastropoda
Order: Lepetellida
Family: Fissurellidae
Description:
The shell is elongated and ovate, taking on a steep, cone-like shape, and it features a hole near the apex, positioned at about one-third of the way from the front. The outer surface displays around 20-25 prominent radial ribs, with smaller ribs scattered in between. The edge of the aperture is marked by noticeable scalloped patterns where the ribs end, and there are slight indents or notches between these scalloped formations that extend somewhat toward the interior of the shell
Habitat & Distribution in Bangladesh:
St. Martin’s island and Sonadia island
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