…The male courts the female by touching her body with his first walking leg and palps, and after the female deposits a mass of sperm in her genital opening, the male eats the spermatophore. The other family of amastiformes, the Tarantulidae, can be distinguished by the lack of a flesh disk at the end of the walking leg, and are generally large, with some species reaching a body length of 45 mm. About 60 species of amastiformes are known worldwide, and fossils of this genus date back to the Carboniferous period of the Paleozoic era. … *Some of the terminology that mentions "Tarantulidae" is listed below. Source | Heibonsha World Encyclopedia 2nd Edition | Information |
…雄は第1歩脚と触肢で雌の体に触れ求愛行動を行い,また雌が精子の塊を生殖口に納めた後,雄は精包を食べてしまう。無鞭類の他の1科,ウデムシ科Tarantulidaeのものは,歩脚末端に肉盤のないことで区別でき,またおおむね大型でなかには体長45mmに達する種類もある。無鞭類は世界中で約60種が知られており,この類の化石は古生代石炭紀から出ている。… ※「Tarantulidae」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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