Palazzia ausonia

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Palazzia ausonia
Scientific classification
Kingdom:
Animalia
Phylum:
Mollusca
Class:
Gastropoda
(unranked):
clade Vetigastropoda
Superfamily:
Seguenzioidea
Family:
(unassigned)
Genus:
Palazzia
Species:
P. ausonia
Binomial name
Palazzia ausonia
(Palazzi, 1988) [1]
Synonyms

Omalogyra ausoniaPalazzi 1988 (original combination)

Contents

Palazzia ausonia is a species of sea snail, a marine gastropod mollusk, unassigned in the superfamily Seguenzioidea. [2]

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 sexes or mating types can produce fertile offspring, typically by sexual reproduction. Other ways of defining species include their karyotype, DNA sequence, morphology, behaviour or ecological niche. In addition, paleontologists use the concept of the chronospecies since fossil reproduction cannot be examined. While these definitions may seem adequate, when looked at more closely they represent problematic species concepts. For example, the boundaries between closely related species become unclear with hybridisation, in a species complex of hundreds of similar microspecies, and in a ring species. Also, among organisms that reproduce only asexually, the concept of a reproductive species breaks down, and each clone is potentially a microspecies.

Sea snail common name for snails that normally live in saltwater

Sea snail is a common name for snails that normally live in salt water, in other words marine gastropods. The taxonomic class Gastropoda also includes snails that live in other habitats, such as land snails and freshwater snails. Many species of sea snails are edible and exploited as food sources by humans.

Seguenzioidea superfamily of molluscs

Seguenzioidea is a superfamily of minute to medium-sized sea snails, marine gastropod mollusks in the clade Vetigastropoda.

Description

The shell grows to a height of 0.7 mm.

Distribution

This bathyal species occurs in the Mediterranean Sea; in the Atlantic Ocean off the Rockall Trough, Iceland and Western Norway.

Mediterranean Sea Sea connected to the Atlantic Ocean between Europe, Africa and Asia

The Mediterranean Sea is a sea connected to the Atlantic Ocean, surrounded by the Mediterranean Basin and almost completely enclosed by land: on the north by Southern Europe and Anatolia, on the south by North Africa and on the east by the Levant. Although the sea is sometimes considered a part of the Atlantic Ocean, it is usually identified as a separate body of water. Geological evidence indicates that around 5.9 million years ago, the Mediterranean was cut off from the Atlantic and was partly or completely desiccated over a period of some 600,000 years, the Messinian salinity crisis, before being refilled by the Zanclean flood about 5.3 million years ago.

Iceland island republic in Northern Europe

Iceland is a Nordic island country in the North Atlantic, with a population of 357,050 and an area of 103,000 km2 (40,000 sq mi), making it the most sparsely populated country in Europe. The capital and largest city is Reykjavík, with Reykjavík and the surrounding areas in the southwest of the country being home to over two-thirds of the population. Iceland is volcanically and geologically active. The interior consists of a plateau characterised by sand and lava fields, mountains, and glaciers, and many glacial rivers flow to the sea through the lowlands. Iceland is warmed by the Gulf Stream and has a temperate climate, despite a high latitude just outside the Arctic Circle. Its high latitude and marine influence keep summers chilly, with most of the archipelago having a tundra climate.

Norway constitutional monarchy in Northern Europe

Norway, officially the Kingdom of Norway, is a Nordic country in Northern Europe whose territory comprises the western and northernmost portion of the Scandinavian Peninsula; the remote island of Jan Mayen and the archipelago of Svalbard are also part of the Kingdom of Norway. The Antarctic Peter I Island and the sub-Antarctic Bouvet Island are dependent territories and thus not considered part of the kingdom. Norway also lays claim to a section of Antarctica known as Queen Maud Land.

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Granigyra arenosa is a species of sea snail, a marine gastropod mollusk, unassigned in the superfamily Seguenzioidea.

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Palazzia planorbis is a species of sea snail, a marine gastropod mollusk, unassigned in the superfamily Seguenzioidea.

Retigyra millipunctata is a species of sea snail, a marine gastropod mollusk, unassigned in the superfamily Seguenzioidea.

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<i>Skenea rugulosa</i> species of mollusc

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Crisilla iunoniae is a species of minute sea snail, a marine gastropod mollusk or micromollusk in the family Rissoidae.

<i>Aartsenia</i> genus of molluscs

Aartsenia is a genus of sea snails, marine gastropod mollusks in the family Pyramidellidae, the pyrams and their allies.

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Ammonicera is a genus of minute sea snails, marine gastropod molluscs or micromollusks in the family Omalogyridae.

Palazzia nautiliformis is a species of sea snail, a marine gastropod mollusk, unassigned in the superfamily Seguenzioidea.

Palazzia ramosa is a species of sea snail, a marine gastropod mollusk, unassigned in the superfamily Seguenzioidea, the turban snails.

References

  1. ↑ Palazzi S., 1988: Note sugli Omalogyridae mediterranei e maderensi ; Bollettino Malacologico 24101-111
  2. ↑ Palazzia ausonia (Palazzi, 1988) .  Retrieved through: World Register of Marine Species  on 27 March 2013.


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