Haplogynae

…The Ecribellatae are divided into two groups, the unisexual group and the homosexual group, based on the structure of their reproductive organs. The unisexual group, the Haplogynae, have simple male and female reproductive organs. Most of them have six eyes, and produce few eggs. …

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

Source | Heibonsha World Encyclopedia 2nd Edition | Information

…無篩疣類Ecribellataeは生殖器の構造で，単性域類と完性域類の二つに分けられる。単性域類Haplogynaeは，雌雄の生殖器が簡単。眼は6個のものが多く，卵数も少ない。…

※「Haplogynae」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