Genus
Tetradella Ulrich, 1890
Images | ||||||
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GIT 138-56 | Tetradella pulchra | Tetradella pulchra Neckaja, 1952 | Nabala Stage | ||||
GIT 138-57 | Tetradella pulchra | Tetradella pulchra Neckaja, 1952 | Nabala Stage | ||||
GIT 138-68 | Tetradella egorowi | Tetradella egorowi Neckaja, 1952 | Nabala Stage | ||||
GIT 139-40 | Tetradella plicatula | Tetradella plicatula (Krause, 1892) | Porkuni Stage | ||||
GIT 139-41 | Tetradella plicatula | Tetradella plicatula (Krause, 1892) | Porkuni Stage | ||||
GIT 139-42 | Tetradella extenuata | Tetradella extenuata Sarv, 1962 | 90 - 90.03 | Adavere Stage | holotype | ||
GIT 139-43 | Tetradella extenuata | Tetradella extenuata Sarv, 1962 | 90 - 90.03 | Adavere Stage | |||
GIT 139-44 | Tetradella extenuata | Tetradella extenuata Sarv, 1962 | 78.58 - 78.7 | Adavere Stage | |||
GIT 139-45 | Tetradella extenuata | Tetradella extenuata Sarv, 1962 | 78.58 - 78.7 | Adavere Stage | |||
GIT 139-46 | Tetradella | Tetradella sp. a Sarv, 1962 | 90 - 90.03 | Adavere Stage | holotype |