Laganum decagonale   (Blainville,  1827) (Sand Dollar)
Organism information awaits expert curation
Class: Echinoidea

Image copyrights: G. and Ph. Poppe

Test flat, thin, fragile, decagonal or almost rounded. Margin thin. Madreporic pores in a sinuous groove. Oral furrows distinct up to half the test radius. Periproct on the oral side, in the posterior interambulacrum, close to the posterior margin. Five genital pores.

Synonym (s)
Scutella decagonale de Blainville, 1827
Laganum decagonale Clark and Rowe, 1971
Jacksonaster decagonalis (Blainville, 1827)
Jacksonaster decagonus (Blainville, 1827)
Lagana decagona (Blainville, 1827)
Laganum (Peronella) decagonale (Blainville, 1827)
Laganum decagonalis (Blainville, 1827)
Laganum decagonum (Blainville, 1827)
Peronella decagonalis (Blainville, 1827)
Scutella decagona Blainville, 1827
Scutella decagonalis Blainville, 1827

Common Name (s)
Economic Importance and Threats

Habitat:  Demersal, Sandy, Coastal


• Kerala, Trivandrum INDIA
• Kerala, Kovalam INDIA
• West Bengal, Sundarbans (Lat: 21.5) (Long: 88.17) INDIA
• Orissa INDIA
• Tamil Nadu INDIA
• Kerala INDIA
• Bay of Bengal INDIA
• West Bengal, Sandheads INDIA (Record: 17/06/1885)

Literature Source(s)
  • (2001) Invertebrate zoology collections Available at -
  • Mandal, AK and Nandi, NC (1989) Fauna of Sundarban mangrove ecosystem, West Bengal, India Fauna of Conservations 3 35431 Available at - NIO, Goa
  • Society for the Management of European Biodiversity Data (2009) World Register of Marine Species (WoRMS) Available at -
  • Sastry, DRK (1995) Asteroidea, Ophiuroidea and Echinoidea (Echinodermata) Estuarine ecosystem series, Part 2: Hugli Matla Estuary ZSI, Calcutta 327-338 Available at - NIO, Goa
  • Poppe, GT and Poppe, P (1996) Conchology, Inc. Conchology, Inc. Available at -
  • Kurian, CV (1953) A preliminary survey of the bottom fauna and bottom deposits of the Travancore coast within the 15-fathom line Proceedings of the National Institute of Sciences of India 19 746–775 Available at -
  • Sealifebase Available at -
  • Sastry, DRK (2007) Echinodermata of India : An annotated list Records of Zoological Survey of India Occassional paper No. 271 ZSI, Kolkata 1-387 Available at -

Page last updated on:2011-04-19

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