Genus

Tetradella Ulrich, 1890


GIT 138-56	Tetradella pulchra	Nabala-Nõmme quarry		Nabala Stage
GIT 138-57	Tetradella pulchra	Nabala-Nõmme quarry		Nabala Stage
GIT 138-68	Tetradella egorowi	Tapa new quarry		Nabala Stage
GIT 139-40	Tetradella plicatula \| Tetradella plicatula (Krause, 1892)	Porkuni quarry		Porkuni Stage
GIT 139-41	Tetradella plicatula \| Tetradella plicatula (Krause, 1892)	Porkuni quarry		Porkuni Stage
GIT 139-42	Tetradella extenuata \| Tetradella extenuata Sarv, 1962	Karja-Pärsama 2 borehole	90 - 90.03	Adavere Stage	holotype
GIT 139-43	Tetradella extenuata \| Tetradella extenuata Sarv, 1962	Karja-Pärsama 2 borehole	90 - 90.03	Adavere Stage
GIT 139-44	Tetradella extenuata \| Tetradella extenuata Sarv, 1962	Karja-Pärsama 2 borehole	78.58 - 78.7	Adavere Stage
GIT 139-45	Tetradella extenuata \| Tetradella extenuata Sarv, 1962	Karja-Pärsama 2 borehole	78.58 - 78.7	Adavere Stage
GIT 139-46	Tetradella \| Tetradella sp. a Sarv, 1962	Karja-Pärsama 2 borehole	90 - 90.03	Adavere Stage	holotype