Project 4285: P. Jałoszyński, X. Luo, R. G. Beutel. 2022. Evolution of cephalic structures in extreme myrmecophiles: a lesson from Clavigeritae (Coleoptera: Staphylinidae: Pselaphinae). Cladistics. 38 (3):335-358.
This project has 28 specimens.