Brachiopoda

Boreadorthis Öpik, 1934

Selection of related publications
Hints, L. 1990. Ordovician articulate brachiopods.. Field Meeting Estonia 1990. An Excursion Guidebook. Eds: Kaljo, D. & Nestor, H., pp. 58-61.
Oraspõld, A. L. 1959. Some representatives of the Superfamily Orthacea from the Upper Ordovician of Estonia. Tartu Riikliku Ülikooli Toimetised 75, I, 59-79. Töid Eesti NSV geoloogia alalt, I, pp. 59-79.
Öpik, A. 1934. Über Klitamboniten. Acta Univ. Tartu A XXVI,
References based on distribution