Brachiopoda
Family

Eoorthidae Walcott, 1908

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Aiheeseen liittyvät julkaisut
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.
List of species