Genus
Euprimites Hessland, 1949
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. 
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. 
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.
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 juures oleva Loodusuurijate Seltsi Aruanded   43,      65-138.
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. Euprimites (Bichilina) andersoni Schallreuter, 1988 | Ordovician
5. Euprimites anisus Jaanusson, 1957 | Middle Ordovician
7. Euprimites bursellus Jaanusson, 1957 | Middle Ordovician
8. Euprimites dentatus Neckaja, 1966 | Upper Ordovician
9. Euprimites effusus Jaanusson, 1957 | Middle Ordovician
13. Euprimites minor (Thorslund, 1940) | Sandbian
14. Euprimites plena (Öpik, 1937) | Kukruse Stage
15. Euprimites reticulogranulatus Hessland, 1949 | Kunda Stage
16. Euprimites suecicus (Thorslund, 1940) | Sandbian
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Classification
| Organism group | Biota | 
| Kingdom | Animalia | 
| Phylum | Arthropoda | 
| Subphylum | Crustacea | 
| Superclass | Oligostraca | 
| Class | Ostracoda | 
| Subclass | Podocopa | 
| Order | Palaeocopida | 
| Suborder | Beyrichicopina | 
| Palaeocopa | |
| Superfamily | Hollinacea | 
| Family | Tvaerenellidae | 
| Subfamily | Tvaerenellinae | 
| Genus | Duringia | 
| Euprimites | |
| Subgenus | (Bichilina) | 
| (Euprimites) | |
| Species | anisus | 
| bichilus | |
| bursellus | |
| dentatus | |
| effusus | |
| eutropis | |
| intermedius | |
| locknensis | |
| minor | |
| plena | |
| reticulogranulatus | |
| suecicus | |
| Genus | Otraczetia | 
| Piretia | |
| Piretilina | |
| Retiprimites | |
| Tvaerenella | |
| Uhakiella | |
| Vendona |