Munditia serrata

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Munditia serrata
Scientific classification
Kingdom: Animalia
Phylum: Mollusca
Class: Gastropoda
(unranked):clade Vetigastropoda
Superfamily: Trochoidea
Family: Liotiidae
Subfamily: Liotiinae
Genus: Munditia
Species:M. serrata
Binomial name
Munditia serrata
(Suter, 1908) [1]
Synonyms

Liotia serrata Suter, 1908

Munditia serrata is a minute sea snail, a marine gastropod mollusc in the family Liotiidae. [2]

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.

Family is one of the eight major hierarchical taxonomic ranks in Linnaean taxonomy; it is classified between order and genus. A family may be divided into subfamilies, which are intermediate ranks between the ranks of family and genus. The official family names are Latin in origin; however, popular names are often used: for example, walnut trees and hickory trees belong to the family Juglandaceae, but that family is commonly referred to as being the "walnut family".

Liotiidae family of molluscs

Liotiidae is a family of small sea snails, marine gastropod mollusks in the clade Vetigastropoda.

Contents

Description

(Original description by Henry Suter) The height of the shell attains 0.5 mm, its diameter 2.5 mm. The rather solid, umbilicated, white shell is small and has a discoidal shape. The sculpture consists of minute fine and slightly wavy radiate riblets. The periphery of the flat whorls is adorned with distant sharp denticles. The base has on the outside a spiral carina, with low and rounded tubercles. The margin of the umbilicus is more or less crenulate. The spire is flat. The protoconch is very small and consists of one flat whorl only. The 3½ whorls increase rapidly. They are flat above, with a pronounced angle at the periphery, and a rounded carina below. The space between them is convex. The base is flat. The suture is impressed, with the serrate processes extending over it. The circular aperture is slightly oblique. The peristome is continuous, with a callous varix. The columella is arcuate, with an outer tubercle at its base. The umbilicus is rather large and deep. The operculum is not seen. [3]

Henry Suter Swiss-born New Zealand zoologist, naturalist, palaeontologist, and malacologist

Henry Suter was a Swiss-born New Zealand zoologist, naturalist, palaeontologist, and malacologist.

Sculpture (mollusc)

Sculpture is a feature of many of the shells of mollusks. It is three-dimensional ornamentation on the outer surface of the shell, as distinct from either the basic shape of the shell itself or the pattern of colouration, if any. Sculpture is a feature found in the shells of gastropods, bivalves, and scaphopods. The word "sculpture" is also applied to surface features of the aptychus of ammonites, and to the outer surface of some calcareous opercula of marine gastropods such as some species in the family Trochidae.

Whorl (mollusc)

A whorl is a single, complete 360° revolution or turn in the spiral growth of a mollusc shell. A spiral configuration of the shell is found in of numerous gastropods, but it is also found in shelled cephalopods including Nautilus, Spirula and the large extinct subclass of cephalopods known as the ammonites.

Distribution

This marine species is endemic to New Zealand. It has been found at Little Barrier Island, New Zealand. [4]

Little Barrier Island New Zealand

Little Barrier Island, or Hauturu in Māori language, lies off the northeastern coast of New Zealand's North Island. Located 80 kilometres (50 mi) to the north of Auckland, the island is separated from the mainland to the west by Jellicoe Channel, and from the larger Great Barrier Island to the east by Cradock Channel. The two aptly named islands shelter the Hauraki Gulf from many of the storms of the Pacific Ocean.

New Zealand Country in Oceania

New Zealand is a sovereign island country in the southwestern Pacific Ocean. The country geographically comprises two main landmasses—the North Island, and the South Island —and around 600 smaller islands. New Zealand is situated some 2,000 kilometres (1,200 mi) east of Australia across the Tasman Sea and roughly 1,000 kilometres (600 mi) south of the Pacific island areas of New Caledonia, Fiji, and Tonga. Because of its remoteness, it was one of the last lands to be settled by humans. During its long period of isolation, New Zealand developed a distinct biodiversity of animal, fungal, and plant life. The country's varied topography and its sharp mountain peaks, such as the Southern Alps, owe much to the tectonic uplift of land and volcanic eruptions. New Zealand's capital city is Wellington, while its most populous city is Auckland.

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References

  1. ↑ Suter, P. Mal. S., viii, 23, pi. 2, f. 4. 5
  2. ↑ Rosenberg, G. (2013). Munditia serrata (Suter, 1908). Accessed through: World Register of Marine Species at http://www.marinespecies.org/aphia.php?p=taxdetails&id=598280 on 2013-09-15
  3. ↑ Suter H. (1913-1915), Manual of new Zealand Mollusca; Wellington, N. Z. :J. Mackay, govt. printer,1913-1915 (described as Liotia serrata)
  4. ↑ Checklist of the Recent Mollusca Recorded from the New Zealand Exclusive Economic Zone - Gastropoda

Arthur William Baden Powell was a New Zealand malacologist, naturalist and palaeontologist, a major influence in the study and classification of New Zealand molluscs through much of the 20th century. He was known to his friends and family by his third name, "Baden".

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