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.
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.
List of species
1. Tetradella egorowi Neckaja, 1952 | Oandu Stage→Pirgu Stage
4. Tetradella plicatula (Krause, 1892) | Pirgu Stage→Porkuni Stage
5. Tetradella pulchra Neckaja, 1952 | Oandu Stage→Pirgu Stage
6. Tetradella separata Sidaravičiene, 1971 | Pirgu Stage→Porkuni Stage
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Klassificering
Organism groupBiota
KingdomAnimalia
PhylumArthropoda
SubphylumCrustacea
SuperclassOligostraca
ClassOstracoda
SubclassPodocopa
OrderPalaeocopida
SuborderBeyrichicopina
SuperfamilyTetradelloidea
FamilyTetradellidae
SubfamilyTetradellinae
SupergenusWinchellatia
GenusAhla
Ceratopsis
Consonopsis
Dilobella
Foramenella
Glossopsis
Ogmoopsis
Pleurodella
Polyceratella
Tetradella
Speciesegorowi
extenuata
intricata
plicatula
pulchra
separata
triloculata
GenusUtalina