Amphiuma means (English spelling) Amphiumameans

Japanese: Amphiuma means(英語表記)Amphiumameans
Amphiuma means (English spelling) Amphiumameans

...One genus and three species make up one family, and they are found in a limited area in the southeastern United States. The number of digits on the hind legs varies depending on the species; Amphiuma means (illustration) has two, A. tridactylum has three, and A. pholeter has one. Body length is about 50 to 110 cm.

From [Neoteny]

...In other words, the native species is in a larval or neotenic form, and when thyroid hormone is added to it, metamorphosis occurs. There are many species of salamanders and newts (caudelas) that have gills for life and exhibit a larval form (all from North America, such as the Texas ground newt Typhlomolge rathbuni , the mud puppy Necturus , and the amphiuma Amphiuma means , which has gills inside its body). These can also be interpreted as fixed neotenic forms. ...

*Some of the terminology that mentions "Amphium means" is listed below.

Source | Heibonsha World Encyclopedia 2nd Edition | Information

Japanese:

…1属3種だけで1科を構成し,アメリカ合衆国南東部限のられた地域に分布する。種によって後肢の指の数が異なり,アンヒューマAmphiuma means(イラスト)は2本,ミツユビアンヒューマA.tridactylumが3本,ヒトツユビアンヒューマA.pholeterが1本である。体長50~110cmほど。…

【ネオテニー】より

…つまり原産地のものは幼生形すなわちネオテニー形であり,これに甲状腺ホルモンを補給すると変態が起こる。サンショウウオおよびイモリの仲間(有尾両生類)には終生えらをもつなど幼生的な形態を示す種がいろいろある(いずれも北アメリカ産でテキサスホライモリTyphlomolge rathbuni,マッドパピーNecturus,えらを体内にもつアンヒューマAmphiuma means)。これらはネオテニー形が固定したものと解釈することもできる。…

※「Amphiuma means」について言及している用語解説の一部を掲載しています。

出典|株式会社平凡社世界大百科事典 第2版について | 情報

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