Species

Tetrada (Tetrada) variabilis Meidla, 1986


GIT 229-10	Tetrada (Tetrada) variabilis \| Tetrada neckajae Meidla, 1986	Vinni T-112 borehole	15.5	Nabala Stage \| Paekna Formation
GIT 229-11	Tetrada (Tetrada) variabilis \| Tetrada neckajae Meidla, 1986	Vinni T-112 borehole	15.5	Nabala Stage \| Paekna Formation
GIT 229-12	Tetrada (Tetrada) variabilis \| Tetrada variabilis Meidla, 1986	Berzini 33 borehole	434.9	Nabala Stage	holotype
GIT 229-13	Tetrada (Tetrada) variabilis \| Tetrada variabilis Meidla, 1986	Berzini 33 borehole	434.9	Nabala Stage
GIT 229-14	Tetrada (Tetrada) variabilis \| Tetrada variabilis Meidla, 1986	Järva-Madise H-18 borehole	95.1	Rakvere Stage
GIT 229-9	Tetrada (Tetrada) variabilis \| Tetrada neckajae Meidla, 1986	Vinni T-112 borehole	15.5	Nabala Stage	holotype
GIT 270-84	Tetrada (Tetrada) variabilis \| Tetrada (Tetrada) variabilis Meidla, 1986	Vinni T-112 borehole	40	Rakvere Stage