Balticobaetisca bispinata sp. nov., paratype, male subimago. Baltic amber (Eocene); SMF Be 411. A Total dorsal view; B total ventral view.

 
 
  Part of: Staniczek AH, Storari AP, Godunko RJ (2022) Revised systematics, phylogeny, and paleontology of the mayfly family Baetiscidae (Insecta: Ephemeroptera). Arthropod Systematics & Phylogeny 80: 389-409. https://doi.org/10.3897/asp.80.e82845