An account of hexactinellid sponge, Hyalonema (Cyliconema) apertum apertum collected from Andaman waters

Vinod, K and George, Rani Mary and Sanil, N K and Jayaprakash, A A and Manjebrayakath, Hashim and Thankappan, Divya (2007) An account of hexactinellid sponge, Hyalonema (Cyliconema) apertum apertum collected from Andaman waters. Journal of the Marine Biological Association of India, 49 (2). pp. 219-225.

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Abstract

The hexactinellid sponge collected aboard FORV Sagar Sampada from the eastern side of North Andaman waters at 13o06’ N lat. and 93o11’E long. was identified as Hyalonema (Cyliconema) apertum apertum. This species, collected at a depth of 402 m, belonged to the Class Hexactinellida, Order Amphidiscosida and Family Hyalonematidae. The body is spindle-like, followed by basalia in the form of long twisted spicules. Identical specimens collected from 12o57’ N lat. & 93o07’ E long. and 12o45’ N lat. & 93o09’ E long. confirmed the presence of H. (Cyliconema) apertum apertum in the Central Andaman waters too. The present communication describes the characteristic features of H. (Cyliconema) apertum apertum along with a detailed account of the types and dimensions of spicules.

Item Type:Article
Uncontrolled Keywords:Deep-sea sponge; Hexactinellida; Hyalonema; Andaman waters
Subjects:Marine Ecosystems > Sponges
Divisions:CMFRI-Cochin > Biodiversity
ID Code:2142
Deposited By:Dr. V Mohan
Deposited On:09 Aug 2010 16:42
Last Modified:13 Jul 2011 15:05

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