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单词 Cruziana
释义

Cruziana

英语百科

Cruziana

Cruziana from the Devonian Brallier Formation or Harrell Formation.

Cruziana is a trace fossil consisting of elongate, bilobed, approximately bilaterally symmetrical burrows, usually preserved along bedding planes, with a sculpture of repeated striations that are mostly oblique to the long dimension. Trace fossils can reveal many aspects of their makers' behavior, and work on Cruziana has been extensive.

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更新时间:2025/6/19 7:54:21