Phalium canaliculatum   (Bruguiere,  1792) (Sea Snail)
Organism information awaits expert curation
Class: Gastropoda

Size: 35-53 mm.

Color: Cream with 4 or 5 spiral rows of small, squarish, light yellow-orange spots or white with spiral rows of oval yellowish brown spots on the shell.

Shell about 1½ to 2 inches in length, globose, with a thin but strong shell; deeply channeled at the suture; with a denticulate outer lip, and with a well-developed, rugose parietal shield. Nuclearwhorls 3, bulimoid, smooth, opaque and milk white. First few postnuclear whorls with 6 to 8 minute, spiral threads which may or may not be crossed by retractively slanting, axial threads. Last whorl with 17 to 20 incised, spiral lines. Suture deeply channeled below. Outer lip with 17 to 20 fairly strong white teeth on the inner edge. Columellar shield strongly rugose. True and false umbilicus small, but deep. Left edge of parietal shield wavy, but not with projections. Operculum unknown.

Synonym (s)
Cassis canaliculata Reeve, 1849
Cassis canaliculata Lamarck, 1845
Cassidea canaliculata Bruguiere, 1792
Cassis canaliculata Hornell, 1921
Phalium canaliculatum Bayer, 1935
Phalium canaliculatum Gravely, 1942

Common Name (s)
Economic Importance and Threats

Habitat:  Reef Associated, Sandy


• Bay of Bengal INDIA
• Tamil Nadu, Parangipettai Coast INDIA
• Tamil Nadu, Virapandianpatnam INDIA (Record: 27/01/1978)
• Orissa, Gopalpur INDIA
• Tamil Nadu, Pamban INDIA
• Tamil Nadu, Tuticorin INDIA
• Pondicherry, Karaikal INDIA
• Tamil Nadu, Chennai INDIA
• Palk Bay (Lat: 9.28) (Long: 79.13) INDIA (Record: 04/1994-09/1994)
• Kerala, Kochi, Sakthikulangara INDIA
• Kerala, Neendakara INDIA

Literature Source(s)
  • Abbott, RT (1968) The Helmet shells of the world (Cassidae) Indo-Pacific Mollusca The department of Mollusks, Academy of Natural Sciences of Philadelphia 19th and the Parkway Philadelphia, Pennsylvania 2(9) 15-202 Available at - NIO, Goa
  • Rajagopal, S; Khan, SA; Srinivasan, M and Shanmugam, A (1998) Gastropods of Parangipettai coast Annamalai University 38 pp Available at - NIO, Goa
  • Society for the Management of European Biodiversity Data (2009) World Register of Marine Species (WoRMS) Available at -
  • Mookherjee, HP (1985) Contributions to the Molluscan fauna of India, Part III. Marine molluscs of the Coromandel coast, Palk Bay and Gulf of Mannar - Gastropoda: Mesogastropoda (Part-2) Records of the Zoological Survey of India. Occasional paper no. 75 ZSI, Calcutta 93 pp Available at - NIO, Goa
  • Ramesh, DA; Jeyabaskaran, R and Pandian, ALP (1996) Gastropods and bivalves associated with reef building corals, Palk Bay, southeastern India Phuket Marine Biological Center Special Publication Phuket marine biology Center 16 257-260 Available at -
  • Philip, MB and Appukuttan, KK (1995) A checklist of gastropods landed at Sakthikulangara-Neendakara area CMFRI 138 9-10 Available at - NIO, Goa

Page last updated on:2011-07-19

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