Genus

Acrosphaeridium Uutela et Tynni, 1991


GIT 344-3	Acrosphaeridium densum \| Acrosphaeridium densum Uutela et Tynni, 1991	Rapla borehole	178	Lasnamägi Stage	holotype
GIT 344-4	Acrosphaeridium esthonicum \| Acrosphaeridium esthonicum Uutela et Tynni, 1991	Rapla borehole	66	Pirgu Stage	holotype
GIT 344-5	Acrosphaeridium reticulatum \| Acrosphaeridium reticulatum Uutela et Tynni, 1991	Rapla borehole	136	Keila Stage	holotype