''Austroliotia australis'', common name the southern liotia, is a
species
In biology, a species is the basic unit of classification and a taxonomic rank of an organism, as well as a unit of biodiversity. A species is often defined as the largest group of organisms in which any two individuals of the appropriate s ...
of
sea snail
Sea snail is a common name for slow-moving marine gastropod molluscs, usually with visible external shells, such as whelk or abalone. They share the taxonomic class Gastropoda with slugs, which are distinguished from snails primarily by the ...
, a marine
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 ...
in the
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 ...
Liotiidae
Liotiidae is a family of small sea snails, marine gastropod mollusks in the clade Vetigastropoda (according to the taxonomy of the Gastropoda by Bouchet & Rocroi, 2005).Gofas, S. (2013). Liotiidae Gray, 1850. Accessed through: World Register of ...
.
Description
The height of the shell attains 14 mm. The white shell is rather widely umbilicated. The rounded
whorl
A whorl ( or ) is an individual circle, oval, volution or equivalent in a whorled pattern, which consists of a spiral or multiple concentric objects (including circles, ovals and arcs).
Whorls in nature
File:Photograph and axial plane floral ...
s contain spiral riblets and longitudinal striae. A beaded riblet winds into the
umbilicus. The
peristome is varicose. The inner margin is produced below and above.
G.W. Tryon (1888), Manual of Conchology X; Academy of Natural Sciences, Philadelphia
/ref>
Distribution
This marine species occurs in the subtidal zone off Australia (New South Wales
)
, nickname =
, image_map = New South Wales in Australia.svg
, map_caption = Location of New South Wales in AustraliaCoordinates:
, subdivision_type = Country
, subdivision_name = Australia
, established_title = Before federation
, es ...
, Victoria, South Australia
South Australia (commonly abbreviated as SA) is a state in the southern central part of Australia. It covers some of the most arid parts of the country. With a total land area of , it is the fourth-largest of Australia's states and territories ...
, Western Australia
Western Australia (commonly abbreviated as WA) is a state of Australia occupying the western percent of the land area of Australia excluding external territories. It is bounded by the Indian Ocean to the north and west, the Southern Ocean to th ...
) and Tasmania
)
, nickname =
, image_map = Tasmania in Australia.svg
, map_caption = Location of Tasmania in AustraliaCoordinates:
, subdivision_type = Country
, subdi ...
.
References
* Cotton, B. C. (1959). ''South Australian Mollusca. Archaeogastropoda''. Adelaide. : W.L. Hawes. 449 pp., 1 pl.
* Jenkins, B.W. (1984). ''Southern Australian Liotiidae''. Australian Shell News. 47 : 3–5
* Wilson, B. (1993). ''Australian Marine Shells. Prosobranch Gastropods''. Kallaroo, WA : Odyssey Publishing. Vol.1 1st Edn pp. 1–408
* Grove, S. 2011. The Seashells of Tasmania: A Comprehensive Guide. Taroona, Australia: Taroona Publications. i 81 page(s): 36
External links
Kiener, L.-C., 1838 Famille des Plicacée de Lamarck et des Trochoides de Cuvier. Genre Dauphinule (Delphinula, Lamarck), in Species general et Iconographie des coquilles vivantes, p. 1-12
*
{{Taxonbar, from=Q13431631
australis
Gastropods described in 1839