Dendropoma gregaria [sic] (incorrect gender ending) Dendropoma gregarium is a worm snail common in intertidal and subtidal areas in Hawaiʻi and the tropical Pacific.

[1] The Dendropoma gregarium is a worm snail in the family Vermetidae.

[2] It is identifiable by its brown shell that forms in irregular coils around its body, making it resemble a worm.

[3] D. gregarium is found in Hawaii and the Tropical Eastern Pacific.

[4] All worm snails are sessile, they attach to rocks or hard surfaces where they will remain for their entire lives.