Cronia subnodulosa   (Melvill,  1893) (Sea Snail)
Organism information awaits expert curation
Class: Gastropoda

Size: Length 11.60-23.60 mm; height of aperture 6.55-12.85 mm; height of spire 5.52-13.35 mm

Color: Chocolate brown, nodules dark brown, aperture light violet, margin dark brown with a prominent white band leading interior in middle, coincides with a white band outside on body.

Shell elongately fusoid, spire high, acute, consists of 6 angulated whorls. Body whorl large, fusoid, suture impressed. Aperture narrowly elongate, anal sulcus deep ā€˜Uā€™ shape, outer lip thick, margin crenulate, interior denticulate with 5 teeth, inner lip smooth, adherent posteriorly, detach and erect anteriorly, 3-4 faint plicae above canal. Canal short open broad. Sculpture consists of 8-9 axial ribs, nodulose, spiral sculpture of scabrous cords, 5-6 numbers in between nodular rows on body, single prominent row of nodules on spiral whorls with scabrous cords on either side; nodules bisected.

Synonym (s)
Drupa subnodulosa Subrahamanyam et. al., 1952
Ricinula (Sistrum) subnodulosa Melvill, 1893
Sistrum subnodulosum Melvill and Standen, 1901
Thais subnodulosa Gravely, 1942
Drupa subnodulosa Hornell and Tomlin, 1951

Common Name (s)
Economic Importance and Threats



• Andaman and Nicobar Islands, Andaman (Lat: 10) (Long: 93) INDIA
• Orissa, Mahanadi Estuary (Lat: 20.32) (Long: 86.75) INDIA
• Gujarat, Chorwad INDIA
• Gujarat, Navibandar INDIA
• Daman and Diu, Diu Fort INDIA
• Maharashtra, Mumbai INDIA
• Karnataka, Kumta INDIA
• Andhra Pradesh, Vishakhapatnam INDIA
• Andaman and Nicobar Islands, Andamans INDIA
• Andaman and Nicobar Islands, Port Blair INDIA
• Gujarat INDIA

Literature Source(s)
  • Subba Rao, NV (2003) Indian seashells Records of the Zoological Survey of India ZSI, Kolkata (Part 1) 416 pp Available at - NCL, Pune
  • Subba Rao, NV and Dey, A (2000) Catalogue of marine molluscs of Andaman and Nicobar Islands Occasional paper no 187 Records of the Zoological Survey of India ZSI 1-323 Available at - NCL, Pune
  • Subba Rao, NV and Surya Rao, KV (1993) Contribution to the knowledge of Indian marine molluscs: Pt. 3. Family: Muricidae Occasional paper no 153 Records of the Zoological Survey of India ZSI, Kolkata 133 pp Available at - NIO, Goa
  • Zoological Survey of India (Eds.) (1998) Fauna Of Mahanadi estuary, Orissa Estuarine ecosystem series no 3 ZSI, Kolkata 1-218 Available at - ZSI, Pune
  • Society for the Management of European Biodiversity Data (2009) World Register of Marine Species (WoRMS) Available at -

Page last updated on:2010-06-17

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