1. any of a subclass (Ostracoda) of very small aquatic crustaceans that have the body enclosed in a bivalve carapace, the body segmentation obscured, the abdomen rudimentary, and only seven pairs of appendages
ostracode 片语
片语
ostracode sandstone介形虫砂巖
ostracode bed介形虫层
ostracode biofacies介形类分布
ostracode claystone介形虫泥巖
ostracode biolith介形虫生物巖
ostracode limestone介形虫灰巖
ostracode assemblages介形组合
ostracode distribution介形类生物相
ostracode sandy claystone含钙砂质泥巖
ostracode 例句
英汉例句
Stable isotopic composition of fossil ostracode is used as an ideal proxy for paleo- lake sedimentary environments.