S. Yamamoto (2023) The smallest stag beetles (Coleoptera, Lucanidae): hidden paleodiversity in mid-Cretaceous Kachin amber from northern Myanmar. Evolutionary Systematics, 7: 211–235.
ミャンマー琥珀を基にProtonicagus mandibularis sp. nov. (tribe Nicagini)とCretognathus minutissimus gen. et sp. nov. (tribe Ceratognathini)を記載。どちらもAesalinaeで変わったクワガタ。