Family

Tvaerenellidae Jaanusson, 1957

Selection of related publications

Tinn, O., Meidla, T., Ainsaar, L., Kivioja, K. 2010. Rich and heterogenous fossil ostracod fauna in the Ordovician sediment intrusions at Osmussaar Island, Estonia, reveals an ancient impact event. GFF 132, 3-4, 201-211. DOI:10.1080/11035897.2010.530351

Kivioja, K. 2007. Osmussaare settesoonte ostrakoodifauna [Magistritöö. Juhendaja: O. Tinn]. pp. . Tartu Ülikool.

Tinn, O., Meidla, T. 2004. Phylogenetic relationships of Early-Middle Ordovician ostracods of Baltoscandia. Palaeontology 47, 2, 199-221. DOI:10.1111/j.0031-0239.2004.00369.x

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.

Olempska, E. 1988. Mojczella, a new genus of Ostracoda from the Ordovician of the Swietokrzyskie mts., Poland. Acta Palaeontologica Polonica 33, 2, 135-144.

Schallreuter, R. 1981. Ordovician ostracodes from Baltoscandia. GFF 103, 1, 61-71. DOI:10.1080/11035898109455206

Qvale, G. 1980. New Caradocian ostracodes from the Oslo-Asker district, Norway. Norsk Geologisk Tidsskrift 60, 2, 93- 116.

Pranskevičius, A. 1972. South Baltic Silurian Ostracoda. pp. 1-280. Mintis.

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. I. 1968. Ostracode families Craspedobolbinidae, Beyrichiidae and Primitiopsidae in the Silurian of Estonia. pp. 1-103. Valgus.

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. 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.

Thorslund, P. 1958. Deep boring at Gotska Sandön. GFF 80, 2, 190-197. DOI:10.1080/11035895809447228

Jaanusson, V. 1957. Unterordovizische Illaeniden aus Skandinavien. Mit Bemerkungen über die Korrelation des Unterordoviziums. Bulletin of the Geological Institutions of the University of Uppsala 37, 79–165.

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.

Sarv, L. I. 1956. New species of ostracodes of the Vasalemma Stage (Upper Ordovician of Estonia). ENSV TA Geoloogia Instituudi Uurimused I, 30-40.

Thorslund, P. 1940. On the Chasmops series of Jämtland and Södermanland (Tvären). Sveriges Geologiska Undersökning 1-191.

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. Brevibolbina amabilis (Neckaja, 1958) | Kukruse Stage→Keila Stage

2. Brevibolbina dimorpha Sarv, 1959 | Middle Ordovician→Upper Ordovician

3. Brevibolbina dornbuschi Schallreuter, 1964

4. Brevibolbina fissurata Schallreuter, 1981 | Pirgu Stage

5. Brevibolbina pontificans Schallreuter, 1981 | Pirgu Stage

6. Cavhithis cavi Schallreuter, 1965

7. Duringia alemboegensis Schallreuter, 1987 | Viru Series

8. Duringia? aculeata Olempska, 1994

9. Eoaquapulex frequens (Steusloff, 1895) | Vormsi Stage→Porkuni Stage

10. Euprimites (Bichilina) prima Sarv, 1959 | Idavere Substage→Oandu Stage

11. Euprimites (Euprimites) grandis Olempska, 1994

12. Euprimites (Euprimites) kahalaensis Sarv, 1963 | Keila Stage→Pirgu Stage

13. Euprimites anisus Jaanusson, 1957 | Middle Ordovician

14. Euprimites bichilus Sidaravichiene, 1975 | Idavere Substage→Jõhvi Substage

15. Euprimites bursellus Jaanusson, 1957 | Middle Ordovician

16. Euprimites dentatus Neckaja, 1966 | Upper Ordovician

17. Euprimites effusus Jaanusson, 1957 | Middle Ordovician

18. Euprimites eutropis (Öpik, 1937) | Lasnamägi Stage→Uhaku Stage

19. Euprimites intermedius (Krause, 1889) | Aseri Stage→Haljala Stage

20. Euprimites locknensis (Thorslund, 1940) | Aseri Stage→Keila Stage

Classification

Organism group	Biota
Kingdom	Animalia
Phylum	Arthropoda
Subphylum	Crustacea
Superclass	Oligostraca
Class	Ostracoda
Subclass	Podocopa
Order	Palaeocopida
Suborder	Beyrichicopina
	Palaeocopa
Superfamily	Hollinacea
Family	Ctenoloculinidae
	Euprimitiidae
	Hollinidae
	Sarvinidae
	Sigmoopsidae
	Tvaerenellidae
Subfamily	Martinssonopsinae
	Tvaerenellinae
Genus	Brevibolbina
	Cavhithis
	Mojczella
	Diceratobolbina