Morula granulata   Duclos,  1832 (Sea Snail)
Organism information awaits expert curation
Class: Gastropoda

Size: Length 13.95-29.05 mm; diameter 10.56-15.40 mm; height of aperture 10.02-15.40 mm; height of spire 10.50-17.75 mm.

Color: White or grey, nodules dark brown, lip and columella edges dark brown, denticles and interior white, teeth on outer margin bluish white.

Very solid, ovate to biconical, body whorl with five spiral rows of heavy tubercles, plus a short, nodulose fasciole, aperture narrow, outer lip thick, with four prominent denticles, the posterior two large and close together, columella thickly calloused anteriorly and bears two or more weakly defined folds.

Synonym (s)
Drupa tuberculata Satyamurti, 1952
Purpura granulata Duclos, 1832
Purpura tuberculata Blainville, 1832
Ricinula (Sistrum) tuberculatus Tryon, 1880
Ricinula tuberculata Reeve, 1846
Sistrum (Morula) tuberculatum Schepman, 1908
Sistrum tuberculatum Melvill, 1898
Thais granulata Gravely, 1942
Sistrum tuberculatum Smith, 1906
Morula granulata Cernohorsky, 1972
Purpura granulata Kiener, 1836
Sistrum tuberculatum Melvill & Standen, 1901
Drupa tuberculata Subrahmanyam et al., 1952
Drupa tuberculata Menon et al., 1961
Drupa tuberculata Tikader, 1964
Morula granulata Cernohorsky, 1967
Morula tuberculata Ray, 1977
Morula granulata Surya Rao and Subba Rao, 1991

Common Name (s)
Economic Importance and Threats

Habitat:  Reef Associated, Rocky, Coastal


• Andaman and Nicobar Islands, Andaman (Lat: 10) (Long: 93) INDIA
• Andaman and Nicobar Islands, Nicobar Islands (Lat: 7) (Long: 93) INDIA
• Andaman and Nicobar Islands, Neill Island (Lat: 11.83) (Long: 93.05) INDIA
• Andaman and Nicobar Islands, Ross Island (Lat: 11.67) (Long: 92.77) INDIA
• Andaman and Nicobar Islands, Nancowry Island (Lat: 7.98) (Long: 93.53) INDIA
• Lakshadweep, Minicoy INDIA (Record: 12/2/1986)
• Lakshadweep, Kadamatt INDIA (Record: 11/4/1984)
• Lakshadweep, Agatti INDIA (Record: 5/4/1984)
• Lakshadweep, Kavaratti INDIA
• Lakshadweep INDIA
• Gujarat, Okha INDIA
• Gujarat, Porbandar INDIA
• Karnataka, St. Mary Island INDIA
• Maharashtra, Mumbai INDIA
• Kerala, Trivandrum INDIA
• Kerala, Kovalam INDIA
• Tamil Nadu, Krusadai Island INDIA
• Tamil Nadu, Mandapam INDIA
• Tamil Nadu, Chennai INDIA
• Andhra Pradesh, Waltair INDIA
• Orissa, Gopalpur INDIA (Record: 31/03/1973, 1991, 1993)
• Andaman and Nicobar Islands INDIA
• Andhra Pradesh, Bimlipatam INDIA
• Karnataka, Kumta INDIA
• Daman and Diu, Diu INDIA
• Gujarat INDIA
• Persian Gulf
• Gujarat, Okha beach INDIA
• Gujarat, Dwarka INDIA
• Gujarat, Beyt Island INDIA
• Gujarat, Lamba INDIA
• Gujarat, Madhavpur INDIA
• Gujarat, Navibandar INDIA
• Gujarat, Chorwad INDIA
• Gujarat, Veraval INDIA
• Gujarat, Delvada INDIA
• Daman and Diu, Diu Fort INDIA
• Karnataka, Devgad Island INDIA
• Karnataka, Surathkal INDIA
• Kerala, Kannur INDIA
• Kerala, Kovalam INDIA
• Tamil Nadu, Pulli Island INDIA
• Tamil Nadu, Pamban INDIA
• Tamil Nadu, Mandapam Camp INDIA
• Andhra Pradesh, Vishakhapatnam INDIA
• Andhra Pradesh, Rishikonda INDIA
• Andaman and Nicobar Islands, Andamans INDIA
• Andaman and Nicobar Islands, Nicobar Islands INDIA
• Andaman and Nicobar Islands, Car Nicobar INDIA
• Andaman and Nicobar Islands, Camorta Island INDIA
• Andaman and Nicobar Islands, Katchall INDIA
• Andaman and Nicobar Islands, Changappa Bay INDIA
• Lakshadweep, Agatti INDIA
• Gujarat, Mithapur INDIA
• Palk Bay 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 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
  • Middelfart, P (1996) Egg capsules and early development of ten muricid gastropods from Thai waters Phuket Marine Biological Center Special Publication 16 103-130 Available at - Zoological Records
  • Gulbin, VV and Evseev, GA (1997) Intertidal Prosobranch Gastropods of Vietnam Galaxea Ryukyus University, Japan 13(2) 157-166 Available at - NIO, RC Kochi
  • Saad, MAH (1984) Proceedings of the Symposium on Coral Reef environment of the Red Sea King Abdulaziz University, Saudi Arabia 1-681 Available at - NIO, RC Kochi
  • Allen, GR (2005) Reef fishes of northwestern Madagascar RAP Bulletin of Biological Assessment 31 39-48
  • Rao, NGM and Rao, MU (1986) Numerical study of intertidal zonation along Visakhapatnam coast, east coast of India Indian Journal of Marine Sciences 15 102-106 Available at - NIO, RC Kochi
  • Society for the Management of European Biodiversity Data (2009) World Register of Marine Species (WoRMS) Available at -
  • Wilson, B; Wilson, C and Baker, P (1994) Australian marine shells 2 1-370 Available at - NIO, Goa
  • Surya Rao, KV and Subba Rao, NV (1991) Mollusca State fauna series 2: Fauna of Lakshadweep ZSI, Calcutta 273-362 Available at - NIO, Goa
  • 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
  • Appukuttan, KK and Joseph, S (2005) Conservation and Management of reef ecosystem associated molluscs for sustainable utilization Proceedings of the National Seminar on Reef Ecosystem Remediation SDMRI Special Research Publication No.9 59-68 Available at -
  • Available at -
  • Eddie, H Hardy's internet guide to marine gastropods Available at -
  • 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

Page last updated on:2012-07-11

Back to Search