A general term for mammals in the family Phyllostomidae of the order Chiroptera. Many of them are so named because they have a spatula-shaped nose. They are found in the southwestern United States, through the West Indies, and in the tropical and subtropical regions of South America. There are about 51 genera and 151 species, and they are extremely diverse in terms of morphology, food, and habitat, and have evolved in parallel with various families in the Old World. For this reason, they are broadly divided into seven subfamilies, but some consider these subfamilies to be independent families. Forearm length is 3-11 cm, head and body length 4-14 cm, and tail length 0-6 cm, and some lack tails. Source: Heibonsha World Encyclopedia, 2nd Edition Information |
翼手目ヘラコウモリ科Phyllostomidaeの哺乳類の総称。多くにへらの形に似た鼻葉があるのでこの名がある。アメリカ合衆国の南西部から西インド諸島を経て,南アメリカの熱帯および亜熱帯に分布する。約51属151種があり,形態,食物,すみ家などきわめて変化に富み,旧世界のさまざまな科と平行的な進化を示している。そのため,7亜科に大別されるが,これらの亜科を独立の科とする見解もある。前腕長3~11cm,頭胴長4~14cm,尾長0~6cmで,尾を欠くものがある。
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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