- Archaeohystrichosphaeridium solitare
- Archaeohystrichosphaeridium sp
- Archaeohystrichosphaeridium sp. Salu.,1971
- Archaeohystrichosphaeridium sp. Salu.et al,1971
- Archaeohystrichosphaeridium sp. Visw.et al,1979
- Archaeohystrichosphaeridium sp.1
- Archaeohystrichosphaeridium sp.2
- Archaeohystrichosphaeridium sp.3
- Archaeohystrichosphaeridium sp.4
- Archaeohystrichosphaeridium sp.5
- Archaeohystrichosphaeridium sp.6
- Archaeohystrichosphaeridium sp.A
- Archaeohystrichosphaeridium stipiforme
- Archaeohystrichosphaeridium striatum
- Archaeohystrichosphaeridium strictum
- Archaeohystrichosphaeridium subreticulatum
- Archaeohystrichosphaeridium tener
- Archaeohystrichosphaeridium testudine
- Archaeohystrichosphaeridium tribulosum
- Archaeohystrichosphaeridium triplicatum
- Archaeohystrichosphaeridium triviale
- Archaeohystrichosphaeridium truncatum
- Archaeohystrichosphaeridium unguisum
- Archaeohystrichosphaeridium vastum
- Archaeohystrichosphaeridium vologdense
- Archaeohystrichosphaeridium waltzii
- Archaeohystrichosphaeridium zalesskyi
- Archaeoletes conspersus
- Archaeoletes mutabilis
- Archaeoletes sp
- Archaeolithothamnium
- Archaeolithothamnium nummuliticum
- Archaeomarasmius leggettii
- Archaeomassulina
- Archaeomassulina atava
- Archaeomassulina glabra
- Archaeomassulina minuta
- Archaeomassulina pusilla
- Archaeomassulina pussila
- Archaeomassulina reticularis
- Archaeomassulina typica
- Archaeomonadopsis elegante
- Archaeomonas ambigua
- Archaeomonas angulosa
- Archaeomonas areolata