Balticeler kerneggeri gen. nov., sp. nov., volume rendering of the holotype. 15. Head, dorsal aspect. 16. Head, left lateral aspect. 17. Mandibles, dorsal aspect. 18. Head, ventral aspect. 19. Labium, ventral aspect. 20. Pronotum, dorsal aspect. Abbreviations: bs –pronotal basal seta; cs – clypeal setae; lbp – labial palpomeres; lig – ligula; mp – mentum pits; ls – pronotal lateral seta; ms – setae of mentum; n – negative imprint of the specimen on the inclusion wall; p – shrunken exoskeleton of the fossilized specimen (= positive); pa – paraglossae; r – retinacle of mandibular teeth; scs – scrobal setae of mandibles; sms – setae on submentum (only right side is shown); sos – supraorbital setae.