Tuesday, October 11, 2011

Grantia sp.

 

Grantia sp.grantia2

 

Class Calcispongiae

Phylum Porifera

 

Porifera: Formation of spicules:Spicules are calcareous.

Secretions by scelerocytes of a siliceous monoaxon, Secretion by scelerocytes of a calcareous triaxon.

grantia

 

 

 

 

 

 

 

 

 

Copyright protected

If you want to use this picture for whatever purpose please ask permission first and do credit the efforts of the author" Menelo Ciudadano Hongayo

 

 

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