Spondylus layardi   Reeve,  1856 (Thorny Oyster)
Organism information awaits expert curation
Taxonomy
Kingdom:Animalia
Phylum:Mollusca
Class: Bivalvia
Order:Pectinoida
Family:Spondylidae

Description
Size: Length 34,32 mm; height 36.30 mm

Color: Usually purplish red in color. Interior white, margin crenulate, bordered with purple brown or yellow color.

Shell triangularly ovate, sculptured with radiate ridges and striations, ridges armed with prickles. Outer surface with coral encrustations completely covering the original shell sculpture.


Synonym (s)
Spondylus layardi Satyamurti, 1956
Spondylus lemayi Jousseaume in Lamy, 1927
Spondylus unicus Jousseaume in Lamy, 1927

Common Name (s)
Economic Importance and Threats

Ecology
Habitat:  Coastal

Biogeography


• Gujarat, Gulf of Kachchh (Lat: 22.6) (Long: 69.5) INDIA
• Tamil Nadu, Parangipettai Coast (Lat: 11.48) (Long: 79.77) INDIA
• Maharashtra, Mumbai INDIA
• SRI LANKA
• Tamil Nadu, Kundugal Point INDIA
• Orissa, Konark INDIA (Record: 20/11/1962)
• Tamil Nadu, Chennai INDIA
• Tamil Nadu, Tuticorin INDIA
• Tamil Nadu, Krusadai INDIA
• Tamil Nadu, Shingle Island INDIA
• Gujarat, Pirotan Island INDIA
• Tamil Nadu, Dhanushkodi INDIA
• Tamil Nadu, Mandapam INDIA
• Lakshadweep, Minicoy INDIA (Record: 01/1987-03/1987)
• Lakshadweep, Agatti INDIA (Record: 01/1987-03/1987)
• Lakshadweep, Bitra INDIA (Record: 01/1987-03/1987)

Literature Source(s)
  • (2002) Lakshadweep Islands biodiversity strategy and action plan (Version: 3)
  • 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
  • Venkatraman, K; Srinivasan, M; Satyanarayana, CH and Prabhakar D (2002) Faunal diversity of Gulf of Mannar biosphere reserve Conservation area series 15 ZSI 77 pp; VIII pla Available at - NCL, Pune
  • Shanmugam, A; Rajagopal, S and Nazeer, RA Common bivalves of Parangipettai coast Available at - NIO, Goa
  • OBIS Indo-Pacific molluscan database Available at - http://clade.ansp.org/obis/find_mollusk.html
  • Subba Rao, NV and Sastry, DRK (2005) Fauna of Marine National Park, Gulf of Kuchchh (Gujarat) ZSI 79 pp Available at - NCL, Pune
  • Surya Rao, KV and Subba Rao, NV (1991) Mollusca State fauna series 2: Fauna of Lakshadweep ZSI, Calcutta 273-362 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
  • 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
  • Samuel, VD; Chacko, D and Edward, JKP (2005) Preliminary study on the molluscan diversity of “the lost world’’– Dhanushkodi, east coast of India Proceedings of the National Seminar on Reef Ecosystem Remediation SDMRI Special Research Publication No.9 54-58 Available at - http://www.sdmri.org/reports/proceedings%202005%20-%20sdmri.pdf
  • Sundaram, KS; Sarvesan, R; Mohamed, KH and Shanbhogue, SL (1969) Catalogue of molluscs, prawns, stomatopods and marine algae in the reference collections of the central marine fisheries research institute Bulletin Of Central Marine Fisheries Research Institute CMFRI, Cochin 9 1-52 Available at - http://eprints.cmfri.org.in/570/1/Bulletin_9.pdf
  • 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 - http://eprints.cmfri.org.in/2641/1/Article_12.pdf

Page last updated on:2011-03-21

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