fusulins are index fossils used in permian stratigraphic correlation.
䗴蟲是用於二疊紀地層對比的指準化石。
the geologist identified multiple fusulin species in the thin section.
地質學家在薄片中鑒定了多種䗴蟲物種。
fusulin foraminifera thrived during the late paleozoic era.
䗴蟲有孔蟲在晚古生代時期繁盛。
the fusulin test exhibits complex internal septation patterns.
䗴蟲的殼體展示出複雜的內部隔板模式。
researchers studied the fusulin biostratigraphy of the formation.
研究人員研究了該地層的䗴蟲生物地層學。
the limestone contains abundant fusulin fossil remains.
這種石灰岩含有豐富的䗴蟲化石殘骸。
fusulin zones help date sedimentary rock sequences accurately.
䗴蟲帶有助於準確地確定沉積岩序列的年代。
spherical fusulin shells can reach several centimeters in size.
球形的䗴蟲殼體可達數厘米大小。
the extinction of fusulins occurred at the permian-triassic boundary.
䗴蟲的滅絕發生在二疊紀-三疊紀邊界。
microscopic examination revealed well-preserved fusulin specimens.
顯微鏡檢查顯示保存良好的䗴蟲標本。
the fusulin fauna indicates warm marine environments during the permian.
䗴蟲動物群表明二疊紀時期存在溫暖的海洋環境。
geologists use fusulin distribution to correlate rock units regionally.
地質學家利用䗴蟲的分布來區域性地對比岩層單位。
the fusulin shell wall structure provides taxonomic information.
䗴蟲殼壁結構提供分類學資訊。
fusulins are index fossils used in permian stratigraphic correlation.
䗴蟲是用於二疊紀地層對比的指準化石。
the geologist identified multiple fusulin species in the thin section.
地質學家在薄片中鑒定了多種䗴蟲物種。
fusulin foraminifera thrived during the late paleozoic era.
䗴蟲有孔蟲在晚古生代時期繁盛。
the fusulin test exhibits complex internal septation patterns.
䗴蟲的殼體展示出複雜的內部隔板模式。
researchers studied the fusulin biostratigraphy of the formation.
研究人員研究了該地層的䗴蟲生物地層學。
the limestone contains abundant fusulin fossil remains.
這種石灰岩含有豐富的䗴蟲化石殘骸。
fusulin zones help date sedimentary rock sequences accurately.
䗴蟲帶有助於準確地確定沉積岩序列的年代。
spherical fusulin shells can reach several centimeters in size.
球形的䗴蟲殼體可達數厘米大小。
the extinction of fusulins occurred at the permian-triassic boundary.
䗴蟲的滅絕發生在二疊紀-三疊紀邊界。
microscopic examination revealed well-preserved fusulin specimens.
顯微鏡檢查顯示保存良好的䗴蟲標本。
the fusulin fauna indicates warm marine environments during the permian.
䗴蟲動物群表明二疊紀時期存在溫暖的海洋環境。
geologists use fusulin distribution to correlate rock units regionally.
地質學家利用䗴蟲的分布來區域性地對比岩層單位。
the fusulin shell wall structure provides taxonomic information.
䗴蟲殼壁結構提供分類學資訊。
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