Amynthas

Japanese: Amynthas
Amynthas

...The fertilization sacs are located in 1-5 pairs in front of the 10th segment, and open into the intersegmental groove on the side of the body. Recent research on the Japanese Pheretidae (Easton EG Easton, 1981) unified the nine genera into five, and based on the morphology of the male reproductive pore, many species of the genus Pheretima were transferred to the genus Amynthas . In addition, Easton reorganized the species that had been reported up to now, from about 150 to 36, and the number of species endemic to Japan has also decreased to about 20.

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

Source | Heibonsha World Encyclopedia 2nd Edition | Information

Japanese:

…受精囊は第10体節よりも前方に1~5対あり,体側面で体節間溝に開いている。 最近の日本産フトミミズ科の研究(イーストンE.G.Easton,1981)によって,それまでの9属が5属に統一され,雄生殖孔の形態からPheretima属のかなりの種類がAmynthas属に移された。また現在までに報告されていた150種ほどの種類がイーストンによって整理されて36種と大幅に減り,日本固有種も減少して20種ほどになった。…

※「Amynthas」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

<<:  Amyntor (English spelling)

>>:  Amyntas I (English spelling)

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