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Issue: Vol. 3 No. 2: June (In progress) 2026
Type: Review
Published: 2026-06-24
DOI: 10.11646/mesozoic.3.2.2
Page range: 140-164
Abstract views: 38
PDF downloaded: 13

The beetle fauna of mid-Cretaceous Kachin amber: a systematic synthesis

Bristol Palaeobiology Group; School of Earth Sciences; University of Bristol; Bristol BS8 1TQ; UK; State Key Laboratory of Palaeobiology and Stratigraphy; Nanjing Institute of Geology and Palaeontology; Chinese Academy of Sciences; Nanjing 210008; China
State Key Laboratory of Palaeobiology and Stratigraphy; Nanjing Institute of Geology and Palaeontology; Chinese Academy of Sciences; Nanjing 210008; China; Nanjing College; University of Chinese Academy of Sciences; Nanjing 211135; China
Kachin amber Coleoptera Cretaceous fossil palaeodiversity

Abstract

Kachin amber from northern Myanmar, dated to the mid-Cretaceous (ca. 99 Ma), is an exceptional fossil Lagerstätte that preserves ancient terrestrial ecosystems in vivid, three-dimensional detail. Over the past decade, numerous beetle taxa representing a wide range of extant and extinct lineages have been described from this deposit, substantially expanding our knowledge of Cretaceous coleopteran diversity. Despite these discoveries, a comprehensive synthesis of the beetle fauna from Kachin amber remains unavailable. Here, we review the current record of beetles from Kachin amber and summarize the taxonomic composition of the fauna across major coleopteran groups. Particular attention is paid to fossils of evolutionary or ecological significance. This synthesis provides an updated overview of the diversity and systematic composition of the Kachin amber beetle fauna and highlights the importance of the deposit for future studies of beetle evolution and Cretaceous terrestrial ecosystems.

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