Home > Invertebrates > Shells > Tube Shells > Strebloceras subannulatum

Created 3/8/2026

Family Caecidae

HAWAII - ENDEMIC

Strebloceras subannulatum

 

Beach drift, Hapuna,
Hawaii, 3 mm

 

TRUMPET TUBE SHELL

Uncommon in soft sediment deeper than 100 feet, or in beach drift.  Glassy and curved in opposing planes, with a prominent protoconch, and fine annular growth lines.    Attains 0.1 inch, 3 mm.  Endemic to Hawaii.