Genus
Tetradella Ulrich, 1890
Selection of related publications
Meidla, T. 1996. Late Ordovician Ostracodes of Estonia. Fossilia Baltica 2. pp. 1-222. Tartu University Press.
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. 1939. Brachiopoden und Ostrakoden aus dem Expansusschiefer Norwegens. Norsk Geologisk Tidsskrift 19, 117-142.
Öpik, A. 1937. Ostracoda from the Ordovician Uhaku and Kukruse formations of Estonia. Tartu Ülikooli Geoloogia Instituudi Toimetused 50, 1-58.
Öpik, A. 1935. Ostracoda from the lower Ordovician Megalaspis-limestone of Estonia and Russia. Tartu Ülikooli Geoloogia Instituudi Toimetused 44, 1-12.
List of species
2. Tetradella extenuata Sarv, 1962 | Adavere Stage
4. Tetradella intricata Sidaravichiene, 1971 | Pirgu Stage
5. Tetradella pectinata Öpik, 1937 | Kukruse Stage
9. Tetradella triloculata Schallreuter, 1978 | Pirgu Stage
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Classification
| Organism group | Biota |
| Kingdom | Animalia |
| Phylum | Arthropoda |
| Subphylum | Crustacea |
| Class | Ostracoda |
| Order | Beyrichicopida |
| Suborder | Palaeocopa |
| Superfamily | Hollinacea |
| Family | Tetradellidae |
| Subfamily | Tetradellinae |
| Supergenus | Winchellatia |
| Genus | Ahla |
| Ceratopsis | |
| Consonopsis | |
| Ctenobolbina | |
| Dilobella | |
| Foramenella | |
| Glossopsis | |
| Ogmoopsis | |
| Pleurodella | |
| Polyceratella | |
| Tetradella | |
| Species | egorowi |
| extenuata | |
| iewica | |
| intricata | |
| pectinata | |
| plicatula | |
| pulchra | |
| separata | |
| triloculata | |
| Genus | Utalina |
References based on distribution
- Meidla, 1996a Orjaku borehole 59.8 -
- Meidla, 1996a Aidu 427 borehole 123 - 172.5
- Meidla, 1996a Laeva 18 borehole 194.7 - 210.4
- Meidla, 1996a Orjaku borehole 47.9 - 129.7
- Meidla, 1996a Moe H-50 borehole 48.8 - 67.6
- Meidla, 1996a Laeva 18 borehole 179.1 - 205.4
- Meidla, 1996a Haapsalu 203 borehole 30.2 - 33.2
- Meidla, 1996a Laeva 18 borehole 178.2 -
- Meidla, 1996a Aidu 427 borehole 120.9 - 123
- Meidla, 1996a Förby F-369 borehole 24.3 - 25
- Meidla, 1996a Moe H-50 borehole 22.6 - 26.1
- Meidla, 1996a Nabala 16 borehole 4.5 - 7.7
- Meidla, 1996a Orjaku borehole 68.2 -
- Meidla, 1996a Aidu 427 borehole 128.7 - 149
- Meidla, 1996a Kaugatuma 509 borehole 352 - 367.7
- Sidaravičiene, 1992 Kalvarija borehole 864.9 - 865.2
- Sidaravičiene, 1992 Geluva 113 borehole 1178.2 -
- Sidaravičiene, 1992 Geluva 113 borehole 1150.8 -
- Sidaravičiene, 1992 Vangishki 205 borehole 352.8 - 363.2
- Sidaravičiene, 1992 Kalvarija borehole 866 -
- Sidaravičiene, 1992 Leliai 284 borehole 437.5 - 456.6
- Sidaravičiene, 1992 Vangishki 205 borehole 379.7 - 383.6
- Sidaravičiene, 1992 Sutkai 87 borehole 920.1 - 922.6
- Sidaravičiene, 1992 Butkunai 241 borehole 570.5 - 582
- Sarv, L., 1959 Nabala-Nõmme quarry
- Sarv, L., 1959 Tõrma quarry
- Sarv, L., 1959 Nabala-Nõmme quarry
- Sarv, L., 1959 Tõrma quarry
- Sarv, L., 1962 Porkuni quarry
- Sarv, L., 1962 Karja-Pärsama 2 borehole 77.05 - 94.66
- Sidaravičiene, 1971 M.Lapes 106 borehole 676.6 - 680.5 Porkuni Stage
- Sidaravičiene, 1971 648.5 -
- Öpik, 1937a Salla, Finland
- Öpik, 1937a Kohtla-Järve Kukruse Stage
- Neckaja, 1953 Rausvere quarry
- Neckaja, 1953 Tammiku bioherm
- Neckaja, 1953 Pihkva
- Neckaja, 1953 Pihkva
- Neckaja, 1952 Vormsi Stage
- Abushik & Sarv, L., 1983 Ordovician