Genus

Quadritia Schallreuter, 1966

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.

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

List of species

1. Quadritia (Krutatia) blidselensis Schallreuter, 1987a | Pirgu Stage→Porkuni Stage

2. Quadritia (Krutatia) iunior Schallreuter, 1981 | Nabala Stage

3. Quadritia aluverensis (Sarv, 1959) | Idavere Substage→Oandu Stage

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Klassificering

Organism group	Biota
Kingdom	Animalia
Phylum	Arthropoda
Subphylum	Crustacea
Superclass	Oligostraca
Class	Ostracoda
Subclass	Podocopa
Order	Palaeocopida
Suborder	Beyrichicopina
	Palaeocopa
Family	Ctenonotellidae
Subfamily	Ctenentominae
	Ctenonotellinae
	Steusloffiinae
	Tallinnellinae
	Wehrliinae
Genus	Kiesowia
	Piretopsis
	Pseudorakverella
	Quadritia
Subgenus	(Krutatia)
Species	aluverensis
	krausei
	quadrispina
Genus	Semikiesowia
	Telegraphia
	Tetrada