Incredibly-Preserved Lower Cretaceous Cockroach Fossil

Name: Insecta: Dictyoptera: and Isoptera

Age: Lower Cretaceous (~125 m.y.a.)

Size (25.4 mm = 1 inch): Cockroach: 24 mm, matrix: 87 mm by 60 mm

Location: Yixian Formation, Chao Yang, Liaoning Province of China

Description: The Class Insecta is well represented in Liaoning and Hebei Provinces of China, with over 500 species referable to over 100 families based upon over 10,000 specimens. This fantastic diversity and exquisite detail is unprecedented throughout the world. The most obvious example is a large, detailed member of the Dictyoptera, or Cockroaches. Notice the incredible detail in the venation of the wings. The many freshwater clams present are indications of the aquatic environment in which these types of specimens were preserved.

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