Thysanophoridae is a
family
Family (from la, familia) is a Social group, group of people related either by consanguinity (by recognized birth) or Affinity (law), affinity (by marriage or other relationship). The purpose of the family is to maintain the well-being of its ...
of air-breathing
land snail
A land snail is any of the numerous species of snail that live on land, as opposed to the sea snails and freshwater snails. ''Land snail'' is the common name for terrestrial gastropod mollusks that have shells (those without shells are known as ...
s,
terrestrial pulmonate
Pulmonata or pulmonates, is an informal group (previously an order, and before that a subclass) of snails and slugs characterized by the ability to breathe air, by virtue of having a pallial lung instead of a gill, or gills. The group includ ...
gastropod
The gastropods (), commonly known as snails and slugs, belong to a large taxonomic class of invertebrates within the phylum Mollusca called Gastropoda ().
This class comprises snails and slugs from saltwater, from freshwater, and from land. T ...
mollusk
Mollusca is the second-largest phylum of invertebrate animals after the Arthropoda, the members of which are known as molluscs or mollusks (). Around 85,000 extant species of molluscs are recognized. The number of fossil species is e ...
s in the superfamily
Helicoidea
Helicoidea is a taxonomic superfamily of air-breathing land snails, terrestrial pulmonate gastropod mollusks in the clade Stylommatophora.
Taxonomy 2005 taxonomy
There are 19 families within the superfamily Helicoidea according to the ta ...
(according to the
taxonomy of the Gastropoda by Bouchet & Rocroi, 2005).
These are common woodland snails of
North America
North America is a continent in the Northern Hemisphere and almost entirely within the Western Hemisphere. It is bordered to the north by the Arctic Ocean, to the east by the Atlantic Ocean, to the southeast by South America and the Car ...
. They also occur in a few recorded spots in
South America
South America is a continent entirely in the Western Hemisphere and mostly in the Southern Hemisphere, with a relatively small portion in the Northern Hemisphere at the northern tip of the continent. It can also be described as the southe ...
.
This family is defined by the absence of both a
diverticulum
In medicine or biology, a diverticulum is an outpouching of a hollow (or a fluid-filled) structure in the body. Depending upon which layers of the structure are involved, diverticula are described as being either true or false.
In medicine, t ...
and a stimulatory organ.
Subfamilies
There are no subfamilies in Thysanophoridae.
Genera
Genera within the family Thysanophoridae include:
*''
Hojeda''
H. B. Baker, 1926
* ''
Itzamna'' (unconfirmed)
*''
Lyroconus'' (unconfirmed)
* ''
Mcleania'' (unconfirmed)
*''
Microconus'' (unconfirmed)
*''
Microphysula''
Cockerell, 1926 - Spruce snails
*''
Miroconus'' (unconfirmed)
*''
Pulchriconus'' (unconfirmed)
*''
Setidiscus'' (unconfirmed)
*''
Suavitas'' (unconfirmed)
*''
Thysanophora''
Strebel & Pfeffer, 1880 - the
type genus
References
{{Heterobranchia-stub