Genus
Piretella Öpik, 1937
Selection of related publications
Meidla, T. 1996. Late Ordovician Ostracodes of Estonia. Fossilia Baltica 2. pp. 1-222.  Tartu University Press. 
Meidla, T. 1996. Latest Ordovician ostracodes of Baltoscandia.  Danmarks Geologiske Undersøgelse      98,   63-68.  GEUS. 
Gailite, L. 1975. New species of ostracoda from Upper Ordovician of Latvia.  The Fauna and Stratigraphy of Paleozoic and Mesozoic of Baltic and Byelorussia, pp. 45-58.   Mintis. 
Sarv, L. 1959. Ordovician ostracodes in the Estonian S.S.R..  ENSV TA Geoloogia Instituudi Uurimused   IV,      1-210.
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 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
2. Piretella amphicristata Olempska, 1994 | Middle Ordovician
4. Piretella oepiki Thorslund, 1940 | Upper Ordovician
7. Piretella velata Gailite, 1975 | Pirgu Stage
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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 | Eurychilinacea | 
| Family | Eurychilinidae | 
| Subfamily | Piretellinae | 
| Genus | Hesperidella | 
| Klyasinella | |
| Lembitsarvella | |
| Piretella | |
| Species | acmaea | 
| amphicristata | |
| margaritata | |
| oepiki | |
| paežerensis | |
| pontis | |
| triebeli | |
| velata |