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.

Schallreuter, R. 1978. On Tetradella pentaloculata Schallreuter sp. nov.. A Stereo-Atlas of Ostracod Shells. Volume 5, pp. 65-72. British Micropalaeontological Society.

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

2. Tetradella extenuata Sarv, 1962 | Adavere Stage

3. Tetradella intricata Sidaravichiene, 1971 | Pirgu Stage

4. Tetradella pentaloculata Schallreuter, 1978 | Pirgu Stage→Porkuni Stage

5. Tetradella plicatula (Krause, 1892) | Pirgu Stage→Porkuni Stage

6. Tetradella pulchra Neckaja, 1952 | Oandu Stage→Pirgu Stage

7. Tetradella separata Sidaravičiene, 1971 | Pirgu Stage→Porkuni Stage

8. Tetradella triloculata Schallreuter, 1978 | Pirgu Stage

Classification

Organism group	Biota
Kingdom	Animalia
Phylum	Arthropoda
Subphylum	Crustacea
Superclass	Oligostraca
Class	Ostracoda
Subclass	Podocopa
Order	Palaeocopida
Suborder	Beyrichicopina
Superfamily	Tetradelloidea
Family	Tetradellidae
Subfamily	Tetradellinae
Supergenus	Winchellatia
Genus	Ahla
	Ceratopsis
	Consonopsis
	Dilobella
	Foramenella
	Glossopsis
	Ogmoopsis
	Pleurodella
	Polyceratella
	Tetradella
Species	egorowi
	extenuata
	intricata
	pentaloculata
	plicatula
	pulchra
	separata
	triloculata
Genus	Utalina