Cronia (Ergalatax) contracta   (Reeve,  1846) (Sea Snail)
Organism information awaits expert curation
Taxonomy
Kingdom:Animalia
Phylum:Mollusca
Class: Gastropoda
Order:Neogastropoda
Family:Muricidae

Image copyrights: 2006 www.seashellhub.com

Description
Size: Length 13.35-37.20 mm; diameter 12.75-21.05 mm; length of aperture 8.30-20.45 mm; length of spire 6.25-18.60 mm.

Color: Varies from chestnut brown to dark brown, prominent on ridges and spiral cords, interior of aperture white to pinkish white.

Shell sculptured with more than ten axial ribs on body whorl. Teeth on outer lip not developed, canal wide and short, inner lip febly plicated. Anal sulcus deep inverted 'U' shaped. Sculpture consists of prominent axial ribs, 8-10 in number with 1-2 low rounded varices, shoulder region slightly nodulose at interstices with spiral cords. Spiral sculpture consists of numerous fine scabrous threads.


Synonym (s)
Buccinum contractum Reeve, 1846
Drupa contracta Melvill, 1928
Drupa heptagonalis Satyamurti, 1952
Drupa margariticola Ray, 1948
Ergalatax contracta Radwin & D'Attilio, 1976
Urosalpinx contracta Melvill and Standen, 1901
Sistrum undatum var. indicum Nevil, 1875
Drupa contracta Subrahmanyam et al., 1952
Cronia (Ergalatax) contracta Cernohorsky, 1976
Buccinum contractum Reeve, 1864
Murex (Ocenebra) contractus Melvill and Standen, 1898
Thais margariticola Gravely, 1942
Drupa margariticola Satyamurti, 1952
Cronia (Ergalatax) contracta Surya Rao and Subba Rao, 1991

Common Name (s)
Economic Importance and Threats

Ecology

Biogeography


• Lakshadweep, Kavaratti INDIA (Record: 01/01/1980, 27/03/1984, 08/02/1986)
• Karnataka, Devgad Island INDIA
• Lakshadweep, Minicoy INDIA
• Lakshadweep INDIA
• Gujarat, Okha INDIA
• Gujarat, Bedi INDIA
• Gujarat, Porbandar INDIA
• Karnataka, Karwar INDIA (Record: 1993)
• Tamil Nadu, Pamban INDIA (Record: 1993)
• Orissa, Ganjam INDIA
• Andaman and Nicobar Islands INDIA (Record: 1991, 1993)
• Persian Gulf (Record: 1991)
• Orissa, Chilika Lake INDIA (Record: 1986)
• Andaman and Nicobar Islands, Rampur beach INDIA
• Orissa, Ganjam Coast INDIA (Record: 1991)
• SRI LANKA
• Karachi PAKISTAN (Record: 1991, 1993)
• Gujarat, Okha beach INDIA
• Gujarat, Hanumandandi INDIA
• Gujarat, Pirotan Island INDIA
• Gujarat, Sikka beach INDIA
• Gujarat, Rozy Port INDIA
• Gujarat, Navibandar INDIA
• Gujarat, Somnath INDIA
• Maharashtra, Mumbai INDIA (Record: 1993)
• Karnataka, Kumta INDIA
• Tamil Nadu, Krusadai Island, Galaxea Reef INDIA
• Tamil Nadu, Pulli Island INDIA
• Tamil Nadu, Tuticorin INDIA
• Andhra Pradesh, Waltair INDIA (Record: 1993)
• Andaman and Nicobar Islands, Chidiya Tapu INDIA
• Andaman and Nicobar Islands, Port Blair INDIA
• Andaman and Nicobar Islands, Rangachang INDIA
• Andaman and Nicobar Islands, Ross Island INDIA
• Andaman and Nicobar Islands, Neill Island INDIA
• Andaman and Nicobar Islands, Rangat Bay INDIA
• Andaman and Nicobar Islands, Diglipur INDIA
• Andaman and Nicobar Islands, Havelock Island INDIA
• Andaman and Nicobar Islands, Car Nicobar INDIA
• Andaman and Nicobar Islands, Camorta Island INDIA
• Andaman and Nicobar Islands, Changappa Bay INDIA

Literature Source(s)
  • 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
  • Society for the Management of European Biodiversity Data (2009) World Register of Marine Species (WoRMS) Available at - http://www.marinespecies.org
  • 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 Manna, RN (1995) Mollusca Wetland ecosystem series 1: Fauna of Chilka lake ZSI, Calcutta 391-468 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
  • Subba Rao, NV (2003) Indian seashells Records of the Zoological Survey of India ZSI, Kolkata (Part 1) 416 pp Available at - NCL, Pune

Page last updated on:2012-08-28

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