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Microphysula cookei shell.jpg
Three views of a shell of Microphysula cookei
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: Thysanophoridae
Pilsbry, 1926[1]

See text

Thysanophoridae is a family of air-breathing land snails, terrestrial pulmonate gastropod mollusks in the superfamily Helicoidea (according to the taxonomy of the Gastropoda by Bouchet & Rocroi, 2005).

These are common woodland snails of North America. They also occur in a few recorded spots in South America.

This family is defined by the absence of both a diverticulum and a stimulatory organ.


There are no subfamilies in Thysanophoridae.


Genera within the family Thysanophoridae include:


  1. ^ Pilsbry H. A. 1926 (5 August). The land mollusks of the Republic of Panama and the Canal Zone. Proceedings of the Academy of Natural Sciences of Philadelphia, 78: 57-126, plates 9-10, Thysanophoridae at page 107.