Ostracoda
Family

Circulinidae Neckaja, 1966

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Selection of related publications
Meidla, T., Truuver, K., Tinn, O., Ainsaar, L. 2020. Ostracods of the Ordovician–Silurian boundary beds: Jūrmala core (Latvia) and its implications for Baltic stratigraphy. Estonian Journal of Earth Sciences 69, 4, 233-247. DOI:10.3176/earth.2020.20
Truuver, K., Meidla, T. 2015. A Hirnantian deep-water refuge for warm-water ostracods in Baltoscandia. Geological Quarterly 59, 4, 738-749. DOI:10.7306/gq.1258
Meidla, T. 2007. Ostracods from the Upper Ordovician Borenshult fauna, Sweden. GFF 129, 2, 123-132. DOI:10.1080/11035890701292123
Ivantsov, A. Yu., Melnikova, L. M. 1998. The lower Ordovician Volkhov and Kunda horizons and characteristics of trilobites and ostracodes (the Volkhov River, Leningrad region). Stratigraphy and Geological Correlation 6, 5, 47-63.
Meidla, T. 1996. Late Ordovician Ostracodes of Estonia. Fossilia Baltica 2. pp. 1-222. Tartu University Press.
Olempska, E. 1994. Ostracods of the Mojcza Limestone. Palaeontologia Polonica 53, 129-212.
Sidaravičiene, N. 1992. Ordovician ostracods of Lithuania. pp. 1-252. LitNIIGRI.
Meidla, T., Sarv, L. 1990. Ostracodes.Field Meeting Estonia 1990. An Excursion Guidebook , pp. 68-71. Estonian Academy of Sciences.
Meidla, T. 1986. Neue Ostrakoden aus dem Ordovizium des Baltikums. Eesti NSV Teaduste Akadeemia Toimetised. Geoloogia / Известия Академии наук Эстонской ССР. Геология 35, 1, 10-19. DOI:10.3176/geol.1986.1.02
Sidaravičiene, N. 1975. New Ordovician ostracoda of South Baltic area.The Fauna and Stratigraphy of Paleozoic and Mesozoic of Baltic and Byelorussia , pp. 21-43. Mintis.
Gailite, L. 1975. Ostracoda from Middle and Upper Ordovician boundary in West Latvia.The Fauna and Stratigraphy of Paleozoic and Mesozoic of Baltic and Byelorussia , pp. 59-68. Mintis.
Gailite, L. K. 1970. Ostracodes from the Kuldiga member of the Upper Ordovician of Latvia.Palaeontology and stratigraphy of the Baltic and Byelorussia. Number II , pp. 19-31. Mintis.
Neckaja, A. I. 1966. Ostrakody ordovika i silura SSSR (semejstva Schmidtellidae, Rectellidae, Longisculidae i nekotorye novye vidy drugih semejstv). Trudy VNIGRI 251, 1-103. Nedra.
Sarv, L. I. 1963. New ostracodes from the Ordovician of East Baltic. ENSV TA Geoloogia Instituudi uurimused XIII, 161-188.
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.
List of species
1. Arpaschmidtella abnormis (Sidaravičiene, 1975) | Rakvere Stage→Porkuni Stage
2. Circulina dibulbosa (Neckaja, 1966) | Idavere Substage→Rakvere Stage
3. Circulina fimbriata Neckaja, 1966 | Idavere Substage→Jõhvi Substage
5. Circulinella nuda (Neckaja, 1966) | Keila Stage→Oandu Stage
6. Easchmidtella angulata Sidaravichiene, 1975 | Nabala Stage→Pirgu Stage
7. Easchmidtella fragosa (Neckaja, 1960) | Idavere Substage→Vormsi Stage
9. Easchmidtella orbicularis Meidla, 1996 | Pirgu Stage→Porkuni Stage
12. Orechina procera Schallreuter, 1980 | Keila Stage→Pirgu Stage
13. Parapyxion dizrungensis Gailite, 1975 | Oandu Stage→Nabala Stage
15. Pedomphalella cruda (Neckaja, 1966) | Kukruse Stage→Oandu Stage
16. Pedomphalella egregia (Sarv, 1963) | Idavere Substage→Keila Stage
17. Pedomphalella infecta (Neckaja, 1966) | Idavere Substage→Jõhvi Substage
18. Pedomphalella mica Sidaravichiene, 1971 | Oandu Stage→Rakvere Stage
19. Pedomphalella paulis (Neckaja, 1966) | Jõhvi Substage→Keila Stage
20. Pyxion alatum (Öpik, 1937) | Uhaku Stage
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Classification
Organism groupBiota
KingdomAnimalia
PhylumArthropoda
SubphylumCrustacea
ClassOstracoda
OrderBeyrichicopida
SuborderBinodicopa
SuperfamilyAechminacea
FamilyAechminidae
Circulinidae
GenusArpaschmidtella
Circulina
Circulinella
Craspedopyxion
Easchmidtella
Ledanina
Orechina
Parapyxion
Paraschmidtella
Patellichnus
Pedomphalella
Pyxion
Vogdesella
FamilyGraviidae
Sagittovidae
Schmidtellidae
Spinigeritidae