Fin-legged lizard (Finniped lizard) - Fin-legged lizard (English spelling) snake lizard

Japanese: ヒレアシトカゲ(鰭脚蜥蜴) - ヒレアシトカゲ（英語表記）snake lizard

A general term for lizards in the Pygopodidae family that are related to geckos. Of the 32 known species, all but two live in New Guinea and are found in Australia. Most are 50-75cm long, but the worm-shaped Aprasia lizards are small, measuring 15-20cm. Their bodies are long and snake-like with degenerated limbs, but their skeletal structure is similar to that of geckos, and like geckos, their eyes are covered by a single sheet of transparent scales with fixed eyelids.

Source: Heibonsha World Encyclopedia, 2nd Edition Information

Japanese:

ヒレアシトカゲ(ピゴプス)科Pygopodidaeに含まれる系統的にはヤモリに近いトカゲ類の総称。約32種が知られるうち，2種がニューギニアに生息する以外はすべてオーストラリアに分布する。大半が全長50～75cmであるが，ミミズ形のミミズヒレアシトカゲ属Aprasiaは15～20cmと小型。体型は四肢が退化した細長いヘビ形であるが，骨格の構造などはヤモリ類に近く，眼もヤモリ同様にまぶたが固着し1枚の透明なうろこで覆われる。

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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