Home > Invertebrates > Shells > Muricidae > Usilla avenacea

Updated 12/2/2025

Family Muricidae

INDO-WEST PACIFIC / HAWAII

Usilla avenacea

Kapoho Pt., Oahu, 1 foot, 13mm

 


Kapoho Pt., Oahu, 1 foot, 11mm
   

CORDED VEXILLA

Uncommon under rocks in shallow brackish water.  Attains 1/2 inch.  Known from Reunion, Okinawa, Hawaii, and French Polynesia.  Formerly known as Vexilla fusconigra or Cronia avenacea.  Often found alongside smooth-shelled Angiola zonata.