These little fragments are about 380 million years old, and are thought to have belonged to insects from the order Archaeognatha, a group that includes some of the most primitive insects still alive today.

这些小碎片大约有 3.8 亿年的历史，被认为属于古颚目昆虫，该目包括一些至今仍存活的最原始昆虫。