Genus

Tetradella Ulrich, 1890

Aiheeseen liittyvät julkaisut
Meidla, T. 1996. Late Ordovician Ostracodes of Estonia. Fossilia Baltica 2. pp. 1-222. Tartu University Press.
Sidaravičiene, N. 1992. Ordovician ostracods of Lithuania. pp. 1-252. LitNIIGRI.
Abushik, A., Sarv, L. 1983. Ostracodes from the Moldovo Stage of Podolia. Lower Paleozoic paleontology of Baltics and Podolia, pp. 101-134. ENSV Teaduste Akadeemia.
Sidaravičiene, N. 1971. New ostracoda from Middle and Upper Ordovician of Lithuania. Palaeontology and stratigraphy of the Baltic and Byelorussia. Number III, pp. 23-36. Mintis.
Sarv, L. I. 1962. Ostracods from the Porkuni stage and Llandovery of Estonia. ENSV TA Geoloogia Instituudi Uurimused IX, 95-141.
Sarv, L. 1959. Ordovician ostracodes in the Estonian S.S.R.. ENSV TA Geoloogia Instituudi Uurimused IV, 1-210.
Neckaja, A. I. 1953. Tetradellidy ordovika Pribaltiki i ih stratigraficheskoe znachenie. Trudy Vsesoûznogo Naučno-Issledovatel'skogo Geologo-Razvedočnogo Instituta (VNIGRI) 309-363. Gostoptehizdat.
Neckaja, A. I. 1952. Novye vidy ostrakod iz otloženij ordovika severo-zapada Russkoj platformy. Trudy Vsesoûznogo Naučno-Issledovatel'skogo Geologo-Razvedočnogo Instituta (VNIGRI) 217-232. Gostoptexizdat.
Öpik, A. 1937. Ostracoda from the Ordovician Uhaku and Kukruse formations of Estonia. Tartu Ülikooli Geoloogia Instituudi Toimetused 50, 1-58.
List of species
1. Tetradella egorowi Neckaja, 1952 | Oandu StagePirgu Stage
3. Tetradella iewica Neckaja, 1953 | Idavere SubstageJõhvi Substage
6. Tetradella plicatula (Krause, 1892) | Pirgu StagePorkuni Stage
7. Tetradella pulchra Neckaja, 1952 | Oandu StagePirgu Stage
8. Tetradella separata Sidaravičiene, 1971 | Pirgu StagePorkuni Stage