placodermi是什么意思 placodermi在线中文翻译

placodermi

中文翻译
1
盾皮鱼
英语释义
1
n. pl. An extinct group of fishes, supposed to be ganoids.
2
The body and head were covered with large bony plates. See Illust.
3
under Pterichthys, and Coccosteus.