the placodermi
盾皮鱼
ancient placodermi
古代盾皮鱼
placodermi fossils
盾皮鱼化石
placodermi species
盾皮鱼物种
placodermi armor
盾皮鱼甲胄
studying placodermi
研究盾皮鱼
placodermi discovery
盾皮鱼发现
placodermi evolution
盾皮鱼进化
placodermi remains
盾皮鱼遗骸
placodermi extinction
盾皮鱼灭绝
placodermi were among the earliest jawed vertebrates to appear on earth.
盾皮鱼类是地球上最早出现的有颌脊椎动物之一。
most fossils of placodermi have been discovered in marine sedimentary rocks.
大多数盾皮鱼类化石都是在海洋沉积岩中发现的。
the class placodermi is entirely extinct, vanishing during the devonian period.
盾皮鱼纲已完全灭绝，在泥盆纪时期消失。
scientists study placodermi to understand the evolutionary history of armored fish.
科学家研究盾皮鱼类以了解身披甲胄的鱼类的演化史。
dunkleosteus is the most famous and formidable member of the placodermi.
邓氏鱼是盾皮鱼类中最著名且最令人畏惧的成员。
the heavy bony plates characteristic of placodermi distinguished them from modern sharks.
盾皮鱼类特有的沉重骨板将它们与现代鲨鱼区分开来。
paleontologists often classify ancient fish fossils into the group placodermi.
古生物学家经常将古老的鱼类化石归类为盾皮鱼类。
the sudden extinction of placodermi allowed early sharks to diversify rapidly.
盾皮鱼类的突然灭绝使得早期鲨鱼得以迅速多样化。
distinctive head and thorax shields protected the body of placodermi.
独特的头部和胸部盾牌保护着盾皮鱼类的身体。
research suggests that some placodermi gave birth to live young.
研究表明，一些盾皮鱼类是通过胎生繁殖后代的。
the geological record indicates that placodermi dominated the devonian seas.
地质记录表明，盾皮鱼类曾在泥盆纪的海洋中占据统治地位。
unlike modern bony fish, placodermi lacked true teeth but had sharp plates.
与现代硬骨鱼不同，盾皮鱼类没有真正的牙齿，但拥有锋利的骨板。
the placodermi
盾皮鱼
ancient placodermi
古代盾皮鱼
placodermi fossils
盾皮鱼化石
placodermi species
盾皮鱼物种
placodermi armor
盾皮鱼甲胄
studying placodermi
研究盾皮鱼
placodermi discovery
盾皮鱼发现
placodermi evolution
盾皮鱼进化
placodermi remains
盾皮鱼遗骸
placodermi extinction
盾皮鱼灭绝
placodermi were among the earliest jawed vertebrates to appear on earth.
盾皮鱼类是地球上最早出现的有颌脊椎动物之一。
most fossils of placodermi have been discovered in marine sedimentary rocks.
大多数盾皮鱼类化石都是在海洋沉积岩中发现的。
the class placodermi is entirely extinct, vanishing during the devonian period.
盾皮鱼纲已完全灭绝，在泥盆纪时期消失。
scientists study placodermi to understand the evolutionary history of armored fish.
科学家研究盾皮鱼类以了解身披甲胄的鱼类的演化史。
dunkleosteus is the most famous and formidable member of the placodermi.
邓氏鱼是盾皮鱼类中最著名且最令人畏惧的成员。
the heavy bony plates characteristic of placodermi distinguished them from modern sharks.
盾皮鱼类特有的沉重骨板将它们与现代鲨鱼区分开来。
paleontologists often classify ancient fish fossils into the group placodermi.
古生物学家经常将古老的鱼类化石归类为盾皮鱼类。
the sudden extinction of placodermi allowed early sharks to diversify rapidly.
盾皮鱼类的突然灭绝使得早期鲨鱼得以迅速多样化。
distinctive head and thorax shields protected the body of placodermi.
独特的头部和胸部盾牌保护着盾皮鱼类的身体。
research suggests that some placodermi gave birth to live young.
研究表明，一些盾皮鱼类是通过胎生繁殖后代的。
the geological record indicates that placodermi dominated the devonian seas.
地质记录表明，盾皮鱼类曾在泥盆纪的海洋中占据统治地位。
unlike modern bony fish, placodermi lacked true teeth but had sharp plates.
与现代硬骨鱼不同，盾皮鱼类没有真正的牙齿，但拥有锋利的骨板。
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