Species
Tetrada (Tetrada) variabilis Meidla, 1986
Images | ||||||
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GIT 229-12 | 434.9 | Nabala Stage | holotype | |||
GIT 229-13 | 434.9 | Nabala Stage | ||||
GIT 229-14 | 95.1 | Rakvere Stage | ||||
GIT 270-84 | Tetrada (Tetrada) variabilis | Tetrada (Tetrada) variabilis Meidla, 1986 | 40 | Rakvere Stage |