Petalodontidae

Petalodontidae is an extinct family of marine cartilaginous fish related to modern day chimaera found in what is now the United States of America and Europe. With a very few exceptions, they are known entirely from teeth. All fossils range from the Carboniferous to the Permian, where they are presumed to have died out during the Permian/Triassic extinction event.

单词	Petalodontidae
释义	Petalodontidae /ˌpetələ'dɔntədi:/ 英汉-汉英词典瓣齿鱼科词组 \| 习惯用语您要查找的是不是： periodontal adj. 牙齿周围的,齿根膜的 periodontist n. 牙周病学家；牙周病医师 petalodontidae n. 瓣齿鱼科网络短语: Petalodontidae 瓣齿鱼科英语百科 Petalodontidae Petalodontidae is an extinct family of marine cartilaginous fish related to modern day chimaera found in what is now the United States of America and Europe. With a very few exceptions, they are known entirely from teeth. All fossils range from the Carboniferous to the Permian, where they are presumed to have died out during the Permian/Triassic extinction event.
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Petalodontidae /ˌpetələ'dɔntədi:/

您要查找的是不是：

网络短语:

Petalodontidae