Genus

Polyceratella Öpik, 1937

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.

Nõlvak, J. 1972. A characterization of the boundary beds of the Kukruse and Idavere stages in the Lipu boring. Loodusuurijate Seltsi Aastaraamat, pp. 39-59. Loodusuurijate Selts.

Sarv, L. 1959. Ordovician ostracodes in the Estonian S.S.R.. ENSV TA Geoloogia Instituudi Uurimused IV, 1-210.

Jaanusson, V. 1957. Middle Ordovician Ostracodes of Central and Southern Sweden. Bulletin of the Geological Institutions of the University of Uppsala 37, 17, 173-442.

Thorslund, P. 1948. On the Silurian beds above the Pentamerus limestone in Jemtland. Description of fossils. Sveriges Geologiska Undersökning 42, 3, 1-37.

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. Polyceratella bicornis (Neckaja, 1953) | Kukruse Stage→Jõhvi Substage

2. Polyceratella bonnemai Thorslund, 1940 | Sandbian

3. Polyceratella kuckersiana (Bonnema, 1909) | Lasnamägi Stage→Kukruse Stage

4. Polyceratella pseudospinosa Sidaravičiene, 1992 | Keila Stage

5. Polyceratella spinosa Sarv, 1959 | Keila Stage

6. Polyceratella tetraceras Öpik, 1937 | Uhaku Stage→Kukruse Stage

Klassificering

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
Species	bicornis
	bonnemai
	kuckersiana
	pseudospinosa
	spinosa
	tetraceras
Genus	Tetradella
	Utalina