Home > Invertebrates > Shells > Augers > Terebra (Duplicaria) costellifera

Updated 6/24/2024

Family Terebridae

HAWAII - ENDEMIC

Terebra (Duplicaria) costellifera 

 
 

 

Kewalo, Oahu, 90 feet 

  

THAANUM'S AUGER

Uncommon in sand deeper than 80 feet.  Whorls more inflated and ribs stronger than Terebra gouldi.  Attains 4 inches.   Endemic to Hawaii.  Formerly known as Terebra thaanumi.