Kimberleydiscus fasciatus
Encyclopedia
Kimberleydiscus fasciatus is a species
Species
In biology, a species is one of the basic units of biological classification and a taxonomic rank. A species is often defined as a group of organisms capable of interbreeding and producing fertile offspring. While in many cases this definition is adequate, more precise or differing measures are...

 of air-breathing land snail
Land snail
A land snail is any of the many species of snail that live on land, as opposed to those that live in salt water and fresh water. Land snails are terrestrial gastropod mollusks that have shells, It is not always an easy matter to say which species are terrestrial, because some are more or less...

, a terrestrial
Terrestrial animal
Terrestrial animals are animals that live predominantly or entirely on land , as compared with aquatic animals, which live predominantly or entirely in the water , or amphibians, which rely on a combination of aquatic and terrestrial habitats...

 pulmonate gastropod mollusk in the family Camaenidae
Camaenidae
Camaenidae is a family of air-breathing land snails, terrestrial pulmonate gastropod mollusks in the superfamily Helicoidea.This is one of the most diverse families in the clade Stylommatophora....

.

Kimberleydiscus fasciatus is the only species in the genus Kimberleydiscus.

The generic name Kimberleydiscus consist of "Kimberley", that is a region in Western Australia and of the suffix "-discus", that is from the Latin language (originally derived from the Greek
Greek language
Greek is an independent branch of the Indo-European family of languages. Native to the southern Balkans, it has the longest documented history of any Indo-European language, spanning 34 centuries of written records. Its writing system has been the Greek alphabet for the majority of its history;...

 word "diskos") and means disc
Disc
- Data storage :* Disk storage, a general category of data storage mechanisms** Magnetic disk*** Floppy disk, a magnetic data storage device using a flexible disc*** Hard disk drive, a non-volatile magnetic data storage device...

, and it refers to the discoid shape of the shell. The specific name fasciatus is from the Latin language and means "banded".

Distribution

The type locality of Kimberleydiscus fasciatus is the Bigge Island
Bigge Island
Bigge Island is an island off the coast of the Kimberley region in Western Australia.The island lies approximately from the mainland, from which it is separated by Scott Strait...

, Bonaparte Archipelago
Bonaparte Archipelago
The Bonaparte Archipelago is a group of islands off the coast of Western Australia in the Kimberley region. The closest inhabited place is Kalumburu located about to the east of the island group....

 in north-western Kimberley, Western Australia. Because the species is only known from the type locality, it is considered to be endemic to Bigge Island.

Shell description

Characteristic features of Kimberleydiscus fasciatus are the discoidal, low-spired shell
Gastropod shell
The gastropod shell is a shell which is part of the body of a gastropod or snail, one kind of mollusc. The gastropod shell is an external skeleton or exoskeleton, which serves not only for muscle attachment, but also for protection from predators and from mechanical damage...

  with an open umbilicus.There are reddish brown spiral bands on the shell.The diameter of the shell is 18-22 mm.
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