Microchiroptera

...They are found in the tropics and subtropics of the Old World and include only the Pteropodidae family. The suborder Microchiroptera has a long tail, a large leaf-like part called a tragus at the front of the ear and at the base of the outer edge, no claws on the second toe of the forelimb, and sharp projections on the molars. They are found in the tropics and subarctic regions of both the Old and New World and include many species, including four superfamilies: the Pteroidea, the Rhinolophooidea, the Pteroidea, and the Vespertilionoidea, and 17 families. ...

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

Source | Heibonsha World Encyclopedia 2nd Edition | Information

…旧世界の熱帯と亜熱帯に分布し，オオコウモリ科だけが含まれる。小翼手亜目Microchiropteraのものは尾が長く，耳介の前面に耳珠や外縁の基部に迎珠（げいしゆ）と呼ばれる大きな葉状の部分があり，前肢の第2指につめがなく，臼歯には鋭くとがった突起がある。新旧両世界の熱帯から亜寒帯まで分布し，種類が多く，サシオコウモリ上科，キクガシラコウモリ上科，ヘラコウモリ上科，ヒナコウモリ上科の4上科と17科がある。…

※「Microchiroptera」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