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Updated 2/9/2026

Family Terebridae

HAWAII - ENDEMIC

Hastula tiedemani 

 

Kahe Pt., Oahu, 50 feet, 10mm

 

TIEDEMAN'S AUGER

Uncommon in sand deeper than 30 feet.  Glossy brown with pale ribs.  Attains 0.5 inch, 12mm.  Endemic to Hawaii.  Very similar to Hastula philippiana of the Tropical Pacific.