Brachiopoda

Sulevorthis Jaanusson et Bassett, 1993

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.
Jaanusson, V. & Bassett, M. G. 1993. Orthambonites and related Ordovician brachiopod genera. Palaeontology 36, 1, 21-63.
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.