Polygyra

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

Polygyra
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

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

Species

Species and subspecies in the genus Polygyra:

Three views of a shell of Polygyra septemvolva volvoxis.
gollark: For example, they now seem to mostly be designed mobile-first and with poor information density.
gollark: However, there are general trends in UI design which go away from what I agree with.
gollark: True!
gollark: I don't have a bias against them. They're just bad.
gollark: The designers have to feel busy.

References
  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.


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