Nerita japonica
Species of gastropod
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| Nerita japonica | |
|---|---|
 | |
Scientific classification  | |
| Domain: | Eukaryota |
| Kingdom: | Animalia |
| Phylum: | Mollusca |
| Class: | Gastropoda |
| Subclass: | Neritimorpha |
| Order: | Cycloneritida |
| Family: | Neritidae |
| Genus: | Nerita |
| Species: | N. japonica |
| Binomial name | |
| Nerita japonica Dunker, 1860 | |
| Synonyms[1] | |
| Nerita pica Gould, 1859 | |
Nerita japonica(Japanese: アマガイ(蜑貝), romanized: Amagai,Korean: 갈고둥, romanized: Galgodung) is a species of sea snail, a marine gastropod mollusk in the family Neritidae.[1]
Nerita japonica is the type species of the subgenus Heminerita von Martens, 1887.[1]
Description
Adult shells are 10–20 mm in both shell diameter and shell height. The shell is hemispherical and hard. The body layer (the lowest part of the winding) is greatly developed, like other molluscs of the family Nebulaidae. The spire has four floors, but it is small and protrudes obliquely upward.
The shell surface is dull and varies from weak spiral ribs and growth lines to almost smooth. The ground color is black, and there are yellow-white to orange triangular spots and lightning-bolt-shaped vertical lines, but it is rich in individual variation and various patterns can be seen. In some older individuals, the surface of the shell is abraded to a uniform yellow-gray to gray-brown color. The shell mouth is D-shaped, and a yellow smooth layer spreads around it.[2][3][4][5][6][7][8]。
Distribution
It is a hemispherical snail found on reefs and rocky areas along the coasts of southern Honshu, Shikoku, Kyushu, and the southern part of the Korean Peninsula .It has a narrow distribution area as a member of the family Amaranthus, and many related species are distributed in the tropical waters south of the Nansei Islands, but this species is not distributed [9]
References
- ^ a b c Nerita japonica Dunker, 1860. Retrieved through: World Register of Marine Species on 5 May 2010.
- ^ 黒田徳米・波部忠重・大山桂 生物学御研究所編『相模湾産貝類』1971年 丸善 ISBN 4621012177
- ^ 内田亨監修『学生版 日本動物図鑑』北隆館 1948年初版・2000年重版 ISBN 4832600427
- ^ 波部忠重監修『学研中高生図鑑 貝I』1975年
- ^ 波部忠重・小菅貞男『エコロン自然シリーズ 貝』1978年刊・1996年改訂版 ISBN 9784586321063
- ^ 小菅貞男『ポケット図鑑 日本の貝』1994年 成美堂出版 ISBN 4415080480
- ^ 奥谷喬司 編『日本近海産貝類図鑑』（アマオブネガイ科解説 : 土屋光太郎）2000年 東海大学出版会 ISBN 9784486014065
- ^ 三浦知之『干潟の生きもの図鑑』2007年 南方新社 ISBN 9784861241390
- ^ 行田義三『貝の図鑑 採集と標本の作り方』2003年 南方新社 ISBN 4931376967
External links
- 갈고둥
- v
- t
- e
