Brachiopoda

Productorthidae Schuchert et Cooper, 1931

Selection of related publications
Hints, L., Hints, O., Nemliher, R., Nõlvak, J. 2007. Hulterstad brachiopods and associated faunas in the Vormsi Stage (Upper Ordovician, Katian) of the Lelle core, Central Estonia. Estonian Journal of Earth Sciences 56, 3, 131-142.
Vinn, O. 2005. The distribution of worm borings in brachiopod shells from the Caradoc Oil Shale of Estonia. Carnets de Géologie 5, article 3, 1-11. DOI:10.4267/2042/2454
Hints, L. 1990. Ordovician articulate brachiopods. Field Meeting Estonia 1990. An Excursion Guidebook, pp. 58-61.
Alichova, T. N. 1969. Stratigrafiâ ordovikskih otloženij Russkoj platformy.
Rubel, M. P. 1961. Lower-Ordovician brachiopods of the superfamilies Orthacea, Dalmanellacea and Syntrophiacea of Eastern Baltic. ENSV TA Geoloogia Instituudi uurimused VI, 141-226.
Oraspõld, A. L. 1959. Some representatives of the Superfamily Orthacea from the Upper Ordovician of Estonia. Tartu Riikliku Ülikooli Toimetised 75, I, 51-79. Töid Eesti NSV geoloogia alalt, I, pp. 51-79.
Oraspõld, A. L. 1956. New brachiopods from the Jõhvi, Keila and Vasalemma stages. ENSV TA Geoloogia Instituudi uurimused I, 41-67.
Öpik, A. 1930. Brachiopoda Protremata der estländischen ordovizischen Kukruse-Stufe. Tartu Ülikooli Geoloogia Instituudi Toimetused 20, 1-261.