perekond

Ulrichia Jones, 1890

Valik taksonit käsitlevast teaduskirjandusest
Meidla, T. 1996. Late Ordovician Ostracodes of Estonia. Fossilia Baltica 2. pp. 1-222. Tartu University Press.
Gailite, L. 1971. Ostracoda of the family Bolliidae Bouček in the Ordovician of Latvia. Palaeontology and stratigraphy of the Baltic and Byelorussia. Number III, pp. 37-50. Mintis.
Gailite, L. K., Rybnikova, M. V., Ulst, R. Ž. 1967. Stratigrafiâ, fauna i usloviâ obrazovaniâ silurijskih porod Srednej Pribaltiki. pp. 1-304. Zinatne.