Description
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| Laevilitorina antarctica | |
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| Species: | L. antarctica |
| Binomial name | |
| Laevilitorina antarctica (E. A. Smith, 1902) | |
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Paludestrina antarcticaE. A. Smith, 1902 (original combination) Contents | |
Laevilitorina antarctica is a species of sea snail, a marine gastropod mollusk in the family Littorinidae, the winkles or periwinkles. [1]
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South Pacific Ocean, Antarctic ocean. [2]
The Ross Sea is a deep bay of the Southern Ocean in Antarctica, between Victoria Land and Marie Byrd Land and within the Ross Embayment, and is the southernmost sea on Earth. It derives its name from the British explorer James Ross who visited this area in 1841. To the west of the sea lies Ross Island and Victoria Land, to the east Roosevelt Island and Edward VII Peninsula in Marie Byrd Land, while the southernmost part is covered by the Ross Ice Shelf, and is about 200 miles (320 km) from the South Pole. Its boundaries and area have been defined by the New Zealand National Institute of Water and Atmospheric Research as having an area of 637,000 square kilometres (246,000 sq mi).
The Littorinidae are a taxonomic family of over 200 species of sea snails, marine gastropod molluscs in the clade Littorinimorpha, commonly known as periwinkles and found worldwide.
Laevilitorina is a genus of small sea snails, marine gastropod molluscs in the family Littorinidae, the winkles or periwinkles.
Antarctica is Earth's southernmost and least-populated continent. Situated almost entirely south of the Antarctic Circle and surrounded by the Southern Ocean, it contains the geographic South Pole. Antarctica is the fifth-largest continent, being nearly twice the size of Australia and larger than Europe, and has an area of 14,200,000 km2 (5,500,000 sq mi). Most of Antarctica is covered by ice, with an average thickness of 1.9 km (1.2 mi).
The Southern Ocean, also known as the Antarctic Ocean, comprises the southernmost waters of the World Ocean, generally taken to be south of 60° S latitude and encircling Antarctica. As such, with 20,327,000 km2, it is regarded as the second-smallest of the five principal oceanic divisions: smaller than the Pacific, Atlantic, and Indian oceans but larger than the Arctic Ocean. Over the past 30 years, the Southern Ocean has been subject to rapid climate change, which has led to changes in the marine ecosystem.
Laevilitorina alta is a species of sea snail, a marine gastropod mollusk in the family Littorinidae, the winkles or periwinkles.
Laevilitorina antipodum is a species of sea snail, a marine gastropod mollusk in the family Littorinidae, the winkles or periwinkles.
Laevilitorina aucklandica is a species of sea snail, a marine gastropod mollusk in the family Littorinidae, the winkles or periwinkles.
Laevilitorina bruniensis is a species of sea snail, a marine gastropod mollusk in the family Littorinidae, the winkles or periwinkles.
Laevilitorina caliginosa is a species of sea snail, a marine gastropod mollusk in the family Littorinidae, the winkles or periwinkles.
Laevilitorina claviformis is a species of sea snail, a marine gastropod mollusk in the family Littorinidae, the winkles or periwinkles.
Laevilitorina delli is a species of sea snail, a marine gastropod mollusk in the family Littorinidae, the winkles or periwinkles.
Laevilitorina granum is a species of sea snail, a marine gastropod mollusk in the family Littorinidae, the winkles or periwinkles.
Laevilitorina kingensis is a species of sea snail, a marine gastropod mollusk in the family Littorinidae, the winkles or periwinkles.
Dickdellia labioflecta is a species of sea snail, a marine gastropod mollusk in the family Zerotulidae, the winkles or periwinkles.
Laevilitorina macphersonae is a species of sea snail, a marine gastropod mollusk in the family Littorinidae, the winkles or periwinkles.
Laevilitorina umbilicata is a species of sea snail, a marine gastropod mollusk in the family Littorinidae, the winkles or periwinkles.
Laevilitorina venusta is a species of sea snail, a marine gastropod mollusk in the family Littorinidae, the winkles or periwinkles.
The wildlife of Antarctica are extremophiles, having to adapt to the dryness, low temperatures, and high exposure common in Antarctica. The extreme weather of the interior contrasts to the relatively mild conditions on the Antarctic Peninsula and the subantarctic islands, which have warmer temperatures and more liquid water. Much of the ocean around the mainland is covered by sea ice. The oceans themselves are a more stable environment for life, both in the water column and on the seabed.
Laevilitorina hamiltoni is a species of sea snail, a marine gastropod mollusk in the family Littorinidae, the winkles or periwinkles.
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