Heteropoma quadrasi

Heteropoma quadrasi is a species of small, salt marsh snails with an operculum, aquatic gastropod mollusks, or micromollusks, in the family Assimineidae. This species is endemic to Guam.

Heteropoma quadrasi
Conservation status
Data Deficient  (IUCN 2.3)[1]
Scientific classification
Kingdom:	Animalia
Phylum:	Mollusca
Class:	Gastropoda
Subclass:	Caenogastropoda
Order:	Littorinimorpha
Family:	Assimineidae
Genus:	Heteropoma
Species:	H. quadrasi
Binomial name
Heteropoma quadrasi (Möllendorff, 1894)

The species exhibits exhibits a distinct variation in shell morphology between juveniles and adults.^[2] The juvenile shells have a distinctly broader base compared to the more slender adult shells. The species has a wide range of color variation, from yellowish brown to dark brown, with some individuals having a distinct reddish-brown coloration.

Heteropoma quadrasi is an active predator, feeding primarily on small gastropods and bivalves.^[3] The species has a radula, a ribbon-like structure in the mouth that is used for scraping and tearing food items.