Genus
Hesperidella Öpik, 1937
Selection of related publications
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. 
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.
Öpik, A. 1937. Ostracoda from the Ordovician Uhaku and Kukruse formations of Estonia.  Tartu Ülikooli Geoloogia Instituudi Toimetused   50,      1-58.
Bonnema, J. H. 1909. Beiträge zur Kenntnis der Osrtacoden der Kuckersschen Schicht (C2).  Mitteilungen Mineralogisch-Geologischen Instituts In Groningen   2,   1,   1-84.
List of species
2. Hesperidella posterospinata Olempska, 1994 | Middle Ordovician
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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 | 
| Species | esthonica | 
| posterospinata | |
| Genus | Klyasinella | 
| Lembitsarvella | |
| Piretella |