Phylum Mollusca

Class Gastropoda

 

Family Pyramidellidae

Pyramid Shells

Pyramid shells are represented in Hawaii by many species less than 1/2 inch in length; only a few grow larger.  They are parasites that feed upon worms and bivalve mollusks.

 

Pyramidella dolabrata

Koko Head, Oahu
Occasional in sandy areas, usually empty.  Associated with Acorn worms at scuba depths.  About 1 inch.

 

 

 

 

 

 

 

 

 

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