Casmaria erinaceus erinaceus [Status Unaccepted]   (Linnaeus,  1758) (Sea Snail)
Organism information awaits expert curation
Class: Gastropoda

Size: 24-70 mm.

Color: Whitish, cream or tan with or without 5 to 6 weak spiral bands of darker tan, brown or mauve-brown, and with or without darker brown axial, wavy streaks.

Adult shell 1 to 2-3/4 inches in length, solid, glossy, elongate, with a smoothish, rounded columella, with strong, black-striped varix, with small prickles at the base of the varix, and without an umbilicus. Whorls 8. Nuclear whorls 3, the first very small and stained brown, the remaining two rapidly increasing in size, glossy, white and smooth. The whorl dips slightly, and forms a break in the growth just before the postnuclear whorls begin. Body whorl slightly rounded and with a smooth or a strongly noduled shoulder. Body whorl may have axial rows of microscopic black pin-points or "fly-specks" along former growth resting stages. Varix poorly to strongly developed, with 10 to 20 black-brown stripes. Rarely with a former varix. Base of outer lip with 4 to 6 tiny, sharp prickles. Columellar shield solid, white, rounded, with a slight spiral swelling in the middle, and with one strong lower and several weak upper spiral wrinkles disappearing within the aperture. Interior of aperture tan to brown. Umbilicus sealed over; false umbilicus absent. Siphonal canal short and at the base of the dorsal slot stained black. Operculum ΒΌ the length of the aperture, corneous, thin, yellowish, fanshaped and with weak growth lines.

Synonym (s)
Buccinum erinaceus Linnaeus, 1758
Buccinum vibex Linnaeus, 1758
Casmaria vibex Linnaeus, 1758
Cassis bisulcata Schubert & Wanger, 1829
Cassis denticulata Roding, 1798
Cassis vibex var. ventricosa Rigacci, 1866
Phalium edentulum Link, 1807

Common Name (s)
Economic Importance and Threats



• Andaman and Nicobar Islands, Andaman (Lat: 10) (Long: 93) INDIA
• Andaman and Nicobar Islands, Nicobar Islands (Lat: 7) (Long: 93) 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
  • OBIS Indo-Pacific molluscan database Available at -
  • 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
  • Available at -
  • Society for the Management of European Biodiversity Data (2009) World Register of Marine Species (WoRMS) Available at -

Page last updated on:2012-10-03

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