Family
Krausellidae Berdan, 1961
Selection of related publications
Meidla, T. 1996. Late Ordovician Ostracodes of Estonia. Fossilia Baltica 2. pp. 1-222.  Tartu University Press. 
Meidla, T. 1983. Die Ostrakoden aus den Grenzschichten der Vormsi- und Pirgu-Stufen Westestlands.  Eesti NSV Teaduste Akadeemia Toimetised. Geoloogia / Известия Академии наук Эстонской ССР. Геология   32,   2,   53-59. DOI:10.3176/geol.1983.2.02
Schallreuter, R. 1975. Ostrakoden aus Öjlemyrgeschieben (Ordoviz). II.  Neues Jahrbuch für Geologie und Paläontologie. Abhandlungen   150,   3,   270-293.
Pranskevičius, A. A. 1971. To the paleontological characteristic of the Lower Silurian of the Southern Baltic area (data of the ostracoda study).  Palaeontology and stratigraphy of the Baltic and Byelorussia. Number III, pp. 61-70.   Mintis. 
Gailite, L. K., Rybnikova, M. V., Ulst, R. Ž. 1967. Stratigrafiâ, fauna i usloviâ obrazovaniâ silurijskih porod Srednej Pribaltiki. pp. 1-304.  Zinatne. 
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.
List of species
4. Estoniosylthere longata Meidla, 1996 | Rakvere Stage
5. Krauselloides peregrinus Meidla, 1996 | Oandu Stage
6. Pseudorayella acris Neckaja, 1966 | Upper Ordovician
7. Pseudorayella acuta Gailite, 1967 | Ludlow
11. Pseudorayella erigens Pranskevichius, 1972 | Ludlow
12. Pseudorayella fusoidea Pranskevichius, 1971 | lower Silurian
14. Pseudorayella magna Pranskevichius, 1972 | upper Silurian
15. Pseudorayella ovalis Neckaja, 1960 | Middle Ordovician
16. Pseudorayella scala Neckaja, 1960 | Ludlow
17. Pseudorayella vitrica Pranskevichius, 1971 | lower Silurian
20. Revisylthere buchecker (Schallreuter, 1975) | Pirgu Stage
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Classification
| Organism group | Biota | 
| Kingdom | Animalia | 
| Phylum | Arthropoda | 
| Subphylum | Crustacea | 
| Superclass | Oligostraca | 
| Class | Ostracoda | 
| Subclass | Podocopa | 
| Order | Podocopida | 
| Superfamily | Bairdiocypridoidea | 
| Family | Bairdiocyprididae | 
| Balticellidae | |
| Beecherellidae | |
| Krausellidae | |
| Genus | Dagoerayella | 
| Estoniosylthere | |
| Krausella | |
| Krauselloides | |
| Pseudorayella | |
| Reversocypris | |
| Revisylthere | |
| Trianguloschmidtella | |
| Family | Pachydomellidae | 
| Rectellidae | |
| Rishonidae | |
| Steusloffinidae |