fusuline foraminifera were abundant in permian seas.
二叠纪海洋中蜓科有孔虫非常丰富。
paleontologists discovered a rich fusuline assemblage in the limestone.
古生物学家在石灰岩中发现了丰富的蜓科动物群落。
the fusuline species provides important biostratigraphic markers.
蜓科物种提供了重要的生物地层学标志。
fusuline fossils help geologists date carbonate rocks.
蜓科化石帮助地质学家确定碳酸盐岩的年代。
the fusuline zone indicates a late carboniferous age.
蜓科带指示了晚石炭纪年龄。
researchers studied the fusuline morphology under the microscope.
研究人员用显微镜研究了蜓科形态学特征。
fusuline limestone is common in the illinois basin.
伊利诺伊盆地常见蜓科灰岩。
the fusuline test shows complex chamber arrangements.
蜓科介壳显示出复杂的房室排列。
this fusuline genus went extinct during the permian-triassic event.
这个蜓科属在二叠纪-三叠纪灭绝事件中灭绝。
fusuline microfacies reveal ancient marine environments.
蜓科微相揭示了古代海洋环境。
the specimen represents a well-preserved fusuline fauna.
该标本代表了一个保存完好的蜓科动物群落。
fusuline biostratigraphy helps correlate rock units across continents.
蜓科生物地层学帮助跨大陆对比岩层。
fusuline foraminifera were abundant in permian seas.
二叠纪海洋中蜓科有孔虫非常丰富。
paleontologists discovered a rich fusuline assemblage in the limestone.
古生物学家在石灰岩中发现了丰富的蜓科动物群落。
the fusuline species provides important biostratigraphic markers.
蜓科物种提供了重要的生物地层学标志。
fusuline fossils help geologists date carbonate rocks.
蜓科化石帮助地质学家确定碳酸盐岩的年代。
the fusuline zone indicates a late carboniferous age.
蜓科带指示了晚石炭纪年龄。
researchers studied the fusuline morphology under the microscope.
研究人员用显微镜研究了蜓科形态学特征。
fusuline limestone is common in the illinois basin.
伊利诺伊盆地常见蜓科灰岩。
the fusuline test shows complex chamber arrangements.
蜓科介壳显示出复杂的房室排列。
this fusuline genus went extinct during the permian-triassic event.
这个蜓科属在二叠纪-三叠纪灭绝事件中灭绝。
fusuline microfacies reveal ancient marine environments.
蜓科微相揭示了古代海洋环境。
the specimen represents a well-preserved fusuline fauna.
该标本代表了一个保存完好的蜓科动物群落。
fusuline biostratigraphy helps correlate rock units across continents.
蜓科生物地层学帮助跨大陆对比岩层。
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