''Labyrinthus leucodon'' is a
species
A species () is often defined as the largest group of organisms in which any two individuals of the appropriate sexes or mating types can produce fertile offspring, typically by sexual reproduction. It is the basic unit of Taxonomy (biology), ...
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 molluscs, terrestrial gastropod mollusks that have gastropod shell, shel ...
, a
terrestrial
Terrestrial refers to things related to land or the planet Earth, as opposed to extraterrestrial.
Terrestrial may also refer to:
* Terrestrial animal, an animal that lives on land opposed to living in water, or sometimes an animal that lives on o ...
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 inclu ...
gastropod
Gastropods (), commonly known as slugs and snails, belong to a large Taxonomy (biology), taxonomic class of invertebrates within the phylum Mollusca called Gastropoda ().
This class comprises snails and slugs from saltwater, freshwater, and fro ...
mollusk
Mollusca is a phylum of protostomic invertebrate animals, whose members are known as molluscs or mollusks (). Around 76,000 extant species of molluscs are recognized, making it the second-largest animal phylum after Arthropoda. The ...
in the family
Labyrinthidae
Labyrinthidae is a family of air-breathing land snails, terrestrial pulmonate gastropod mollusks in the superfamily Helicoidea
Helicoidea is a Taxonomy (biology), taxonomic Taxonomic rank, superfamily of air-breathing land snails, terrestrial ...
.
Description
The periphery of the shell of this species is acutely angulated. The spire is normally elevated, and the sides of the spire are flat to slightly rounded. The shell aperture is moderately deflected. Within the aperture, the high, simple parietal lamella starts descending before it runs into the parietal lip. The basal lip has a broad, prominent knob. The lower palatal tooth is a prominent, crescentic lamella, with strong lateral buttresses. The upper palatal lip often has a small tuberculate denticle.
The
periostracum
The periostracum ( ) is a thin, organic coating (or "skin") that is the outermost layer of the shell of many shelled animals, including molluscs and brachiopods. Among molluscs, it is primarily seen in snails and clams, i.e. in gastropods an ...
is brownish in color, occasionally speckled with greenish yellow.
Distribution
This species occurs in:
* Venezuela
[ Solem A. (31 May) 1966]
''The Neotropical land snail genera: Labyrinthus and Isomeria (Pulmonata, Camaenidae)''
Fieldiana: Zoology, volume 50
page 122
124.[Baker, Horace Burrinton. 1926: The mollusca collected by the University of Michigan-Willianson Expedicion in Venezuela. Occacional Papers of the Museum of Zoology University of Michigan. Nº 167:1-65] (reported for the states of
Carabobo
Carabobo State (, ) is one of the 23 states of Venezuela, located in the north of the country, about two hours by car from Caracas. The state capital city is Valencia, which is also the country's main industrial center. The state's area is and ...
,
[Catalogo de la colección de Moluscos del Museo de Biología de la Universidad Central (MBUCV-XIV)] Distrito Capital
A capital district, capital region, or capital territory is normally a specially designated administrative division where a country's seat of government is located. As such, in a federal model of government, no state or territory has any politic ...
,
Falcón
Falcón State (, ) is one of the 23 States of Venezuela, states of Venezuela. The state capital is Coro, Venezuela, Coro.
The state was named after Juan Crisóstomo Falcón.
History
Early history
Present day Falcón State was first explored ...
,
,
and
Yaracuy
Yaracuy (, ;) is one of the 23 States of Venezuela, states of Venezuela. Yaracuy is located in the Central-Western Region, Venezuela. It is bordered by Falcón State, Falcón in the north, in the west by Lara State, Lara, in the south by Portug ...
)
* Colombia
See also
*
List of molluscs of Falcón State, Venezuela
*
List of non-marine molluscs of Venezuela
The non-marine molluscs of Venezuela are a part of the molluscan fauna of Venezuela (which is part of the wildlife of Venezuela). Non-marine molluscs are the snails, clams and mussels that live in freshwater habitats, and the snails and slugs tha ...
References
External links
Discover Life: ''Labyrinthus leucodon'' (Pfeiffer, 1847)Global Names Index: ''Labyrinthus leucodon''
{{Taxonbar, from=Q3625165
Labyrinthidae
Gastropods described in 1847