@article{shavrin-perkovsky-2026-eusphalerum-amber,
  author = {{Alexey V. Shavrin} and {Evgeny E. Perkovsky}},
  title = {Two new species of Eusphalerum Kraatz, 1857 (Coleoptera: Staphylinidae: Omaliinae) from Eocene Rovno and Baltic amber},
  journal = {Zootaxa},
  year = {2026},
  volume = {5874},
  number = {4},
  pages = {326--348},
  doi = {10.11646/zootaxa.5874.4.2},
  url = {https://mapress.com/zt/article/view/zootaxa.5874.4.2}
}