Brachiopoda
Family

Paurorthidae Öpik, 1933

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Aiheeseen liittyvät julkaisut
Harper, D. A. T., Popov, L. E., Holmer, L. E. 2017. Brachiopods: origin and early history.Palaeontology 60 , 5,609-631. DOI:10.1111/pala.12307
Hints, L. 1975. Brahiopody Enteletacea ordovika Pribaltiki.
Hints, L. M. 1968. Cremnorthis and Paurorthis (Brachiopoda) in the Middle Ordovician of Estonia.Eesti NSV Teaduste Akadeemia Toimetised. Keemia, Geoloogia / Известия Академии наук Эстонской ССР. Химия. Геология 17 , 4,386-392. DOI:10.3176/chem.geol.1968.4.09
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.
Öpik, A. 1933. Über einige Dalmanellacea aus Estland.Tartu Ülikooli Geoloogia Instituudi Toimetused 32 , 1-25.
List of species
1. Paurorthis inflata Rubel, 1961 | Valaste Substage
3. Paurorthis parva (Pander, 1830) | Volkhov StageHunderum Substage
4. Paurorthis resima (Rubel, 1961) | Billingen Stage