order stegocephalia   (TTS Sound)

The order_stegocephalia has 1 Senses.

• order stegocephalia, stegocephalia
• in former classifications a division of class Amphibia comprising all pre-Jurassic and some later extinct large salamandriform amphibia
• 以前の分類法では、ジュラ紀以前全てのものとその後の幾つかの絶滅した大型サンショウウオ類の両生綱門