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Paleozoic evolutionary fauna
释义
Paleozoic evolutionary fauna
Encyclopedia
理学
古生物学
释
Paleozoic evolutionary fauna
古生代演化动物群
全球古生代海洋动物的总称,在寒武纪晚期寒武纪演化动物群出现衰退时开始出现雏形,奥陶纪生物大辐射构建了其基本框架,并实现其早期演化,在奥陶纪末在海洋生态系统中实现对寒武纪演化动物群的全面替代,成为海洋动物世界的霸主,并持续近3亿年一直到二叠纪末。
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active site
active soil organic matter
active solids
active sonar
active source electrical method
active species catalyst
active spectroscopy
active squeeze film damper
active star
active structural acoustic control
active structure-borne noise control
active sun
active sunspot
active-sunspot prominence
active surface
active surveillance
active suspension control
active target detector
active targeting drug delivery systems
active technology
active tectonic basin
active tectonic block
active tectonics
active temperature
active thermal control system
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