How to Identify Polygyridae

Polygyridae is a animal family in the Animalia kingdom, order Stylommatophora, class Gastropoda. The family contains 16 accepted species worldwide.

Key Identification Features

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Representative Polygyridae Species

How to identify Webbhelix multilineata (Say, 1821)

Webbhelix multilineata (Say, 1821)

Webbhelix multilineata (Say, 1821)

Webbhelix multilineata is an air-breathing land snail species in the gastropod m…

How to identify Polygyra cereolus (Megerle von Mühlfeld, 1818)

Polygyra cereolus (Megerle von Mühlfeld, 1818)

Polygyra cereolus (Megerle von Mühlfeld, 1818)

The southern flatcoil, Polygyra cereolus, is an air-breathing land snail species…

How to identify Allogona ptychophora (A.D.Brown, 1870)

Allogona ptychophora (A.D.Brown, 1870)

Allogona ptychophora (A.D.Brown, 1870)

Allogona ptychophora is an air-breathing land snail species, a terrestrial pulmo…

How to identify Mesodon thyroidus (Say, 1817)

Mesodon thyroidus (Say, 1817)

Mesodon thyroidus (Say, 1817)

Mesodon thyroidus is an air-breathing land snail, a terrestrial gastropod mollus…

How to identify Allogona townsendiana (I.Lea, 1838)

Allogona townsendiana (I.Lea, 1838)

Allogona townsendiana (I.Lea, 1838)

Allogona townsendiana, the Oregon forestsnail, is an endangered land snail found…

How to identify Neohelix albolabris (Say, 1817)

Neohelix albolabris (Say, 1817)

Neohelix albolabris (Say, 1817)

Neohelix albolabris is a large North American air-breathing land snail first nam…

How to identify Trilobopsis loricata (A.Gould, 1846)

Trilobopsis loricata (A.Gould, 1846)

Trilobopsis loricata (A.Gould, 1846)

Trilobopsis loricata is an air-breathing land snail in Polygyridae, found mainly…

How to identify Cryptomastix germana (A.Gould, 1851)

Cryptomastix germana (A.Gould, 1851)

Cryptomastix germana (A.Gould, 1851)

Cryptomastix germana (pygmy Oregonian) is a terrestrial Polygyridae snail endemi…

How to identify Euchemotrema fraternum (Say, 1824)

Euchemotrema fraternum (Say, 1824)

Euchemotrema fraternum (Say, 1824)

Euchemotrema fraternum is an air-breathing terrestrial pulmonate land snail in t…

How to identify Allogona profunda (Say, 1821)

Allogona profunda (Say, 1821)

Allogona profunda (Say, 1821)

Allogona profunda, the broad-banded forestsnail, is a North American air-breathi…

How to identify Triodopsis hopetonensis (Shuttleworth, 1852)

Triodopsis hopetonensis (Shuttleworth, 1852)

Triodopsis hopetonensis (Shuttleworth, 1852)

Triodopsis hopetonensis, the magnolia threetooth, is an air-breathing land snail…

Browse all 16 Polygyridae species →

Frequently Asked Questions

How do you identify Polygyridae?

Polygyridae animals belong to the Stylommatophora order in the Animalia kingdom. It holds the distinction of being the first land snail species described by an American-born naturalist, Thomas Say, who formally named it in 1817. For instant identification, use the iNature app — AI-powered and works offline.

What are the key characteristics of Polygyridae?

Polygyridae is classified in the order Stylommatophora, class Gastropoda, phylum Mollusca. The family contains 16 accepted species worldwide.

Sources: GBIF, iNaturalist, Wikipedia · Disclaimer

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