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Three views of a shell of Polygyra cereolus
from W. G. Binney, 1878[1]
Scientific classification
Kingdom: Animalia
Phylum: Mollusca
Class: Gastropoda
(unranked): clade Heterobranchia
clade Euthyneura
clade Panpulmonata
clade Eupulmonata
clade Stylommatophora
informal group Sigmurethra
Superfamily: Helicoidea
Family: Polygyridae
Genus: Polygyra
Say, 1818

Polygyra is a genus of air-breathing land snails, terrestrial pulmonate gastropod mollusks in the family Polygyridae.

The two-IUCN listed taxa, Polygyra hippocrepis and Polygyra peregrina, are now usually named Daedalochila hippocrepis and Millerelix peregrina.


Species and subspecies in the genus Polygyra:

Three views of a shell of Polygyra septemvolva volvoxis.


  1. ^ Binney, William G. (1878). The Terrestrial Air-Breathing Mollusks of the United States and Adjacent Territories of North America. Vol. 5 (plates). Bull. Mus. Comparative Zool., Harvard. Plate 38.
  2. ^ Pilsbry, Henry A. (1940). Land Mollusca of North America (North of Mexico). Acad. Nat. Sci. Philadelphia, Monograph 3, vol. 1(2): 591-607.