Thais rugosa   Born,  1778 (Sea Snail)
Organism information awaits expert curation
Class: Gastropoda

Size: Length 18.65-42.10 mm; diameter 12.95-28.75 mm; length of aperture 10.50-24.56 mm; length of spire 10.40-22.10 mm.

Color: Light brown, scales and striations dark brown, aperture white.

Shell ovately fusiform, appears like pagoda. Spire high, acute, consists of 4 angulated whorls, upper part rounded. Body whorl large, ovate, slope above shoulder. Aperture moderately ovate, outer lip crenulate, grooved interior, corresponding to the external sculpture, denticulate, 8-9 denticles present, columella smooth, slightly folded anteriorly, anal sulcus broad, shallow, canal short, broadly open, umbilicus wide and deep. Sculpture consists of 4 prominent ridges below shoulder, ornamented with compressed scales, partly raised upwards, shoulder ones are larger in size, gradually decreased towards lower part of body, interstices between these ridges are with fine scabrous threads.

Synonym (s)
Murex rugosa Born, 1778
Murex rugosus Born, 1778
Murex sacellum Chemnitz, 1788
Purpura sacellum Lamarck, 1822
Thais sacellum Subrahmanyam, 1952
Murex sacellum Gmelin, 1791
Thais rugosa Satyamurti, 1952
Thais sacellum Cernohorsky, 1974
Purpura (Polytrapa) sacellum Melvill and Standen, 1901
Thais rugosa Gravely, 1942

Common Name (s)
Economic Importance and Threats

Habitat:  Rocky


• Andaman and Nicobar Islands, Andaman Islands (Lat: 10) (Long: 93) INDIA
• Gujarat, Gulf of Kachchh (Lat: 22.6) (Long: 69.5) INDIA
• Kerala, Vazhakala (Lat: 10.03) (Long: 76.28) INDIA
• Daman and Diu, Goghla INDIA
• Orissa, Konark INDIA
• Orissa, Gopalpur INDIA
• Orissa, Chhatrapur INDIA (Record: 24/11/1962, 15/02/1972, 1993)
• Tamil Nadu, Chennai INDIA
• Karnataka, Bhatkal INDIA
• Maharashtra, Mumbai INDIA
• Gujarat INDIA
• Karachi PAKISTAN
• Gujarat, Okha INDIA
• Gujarat, Dwarka INDIA
• Gujarat, Porbandar INDIA
• Gujarat, Kotda INDIA
• Gujarat, Madhi INDIA
• Gujarat, Delvada INDIA
• Gujarat, Navibandar INDIA
• Gujarat, Veraval INDIA
• Gujarat, Somnath INDIA
• Gujarat, Muldwarka INDIA
• Daman and Diu, Diu INDIA
• Daman and Diu, Vanakbara INDIA
• Daman and Diu, Nagoa INDIA
• Goa, Dona Paula beach INDIA
• Goa, Siridao beach INDIA
• Karnataka, Murdeswar INDIA
• Karnataka, Malpe INDIA
• Lakshadweep, Bitra INDIA (Record: 01/1987-03/1987)
• Lakshadweep, Kiltan INDIA (Record: 01/1987-03/1987)

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
  • Nagabhushanam, AK and Krishnan, S (1993) Observations on the distribution of some of the marine organism inhabiting the inter-tidal zone along the western continental shelf of the Bay of Bengal, with particular reference to the Tamil Nadu coastal strip Records of the Zoological Survey of India 93(3-4) 449-490 Available at - ZSI, Pune
  • Subba Rao, NV and Sastry, DRK (2005) Fauna of Marine National Park, Gulf of Kuchchh (Gujarat) ZSI 79 pp Available at - NCL, Pune
  • Gulbin, VV and Evseev, GA (1997) Intertidal Prosobranch Gastropods of Vietnam Galaxea Ryukyus University, Japan 13(2) 157-166 Available at - NIO, RC Kochi
  • Pillai, CSG; Appukuttan, KK and Kaladharan, P (1999) Occurrence of submerged Pleistocene stony corals and marine molluscs at Vazhakala near Cochin and their significance on sea level changes Indian Journal of Marine Sciences CSIR, New Delhi 28 96-98 Available at - NIO, RC Kochi
  • Rao, NVS; Rao, KVS and Maitra, S (1991) Marine molluscs State fauna series 1: Fauna of Orissa Zoological Survey of India, Calcutta Part 3 1-175 Available at - NIO, Goa
  • Society for the Management of European Biodiversity Data (2009) World Register of Marine Species (WoRMS) Available at -
  • Appukuttan, KK; Chellam, A; Ramadoss, K; Victor, ACC and Meiyappan, MM (1989) Molluscan resources Bulletin Of Central Marine Fisheries Research Institute CMFRI, Cochin 43 77-92 Available at -

Page last updated on:2011-03-21

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