And it kinda looked like a flipped-over stalkless sea lily.
它看起有点像翻过柄海合。
Crinoids became the most abundant echinoderms of the Ordovician, and some were the ancestors of today's stalkless feather stars and stalked sea lilies.
海合成为奥陶纪最丰富棘皮,有些是今天柄羽星和有柄海合祖先。
关注我们的微信
下载手机客户端
划词翻译
详细解释