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Created 3/8/2026

Family Caecidae

Tube Shells

Caecids are small tubular shells with a sealed posterior, and live among rubble or muddy sand, where they feed upon detritus and single-celled organisms.  Shells are curved or ribbed to resist sinking into the mud.

 

HAWAII - ENDEMIC

Caecum oahuense

OAHU TUBE SHELL 

 

 Strebloceras subannulatum

TRUMPET TUBE SHELL

 
 

 

INDO-PACIFIC / HAWAII

Caecum sepimentum

SEPARATED TUBE SHELL, juv

 

 Caecum sepimentum

SEPARATED TUBE SHELL

 
Caecum vertebrale

VERTEBRAL TUBE SHELL