1842Gypidula borealis — Eichwald, pp. 74, fig. 1;14a,b
1984Borealis borealis borealis (Eichwald, 1842) — Rubel et al., pp. 18
Selection of related publications
Boucot, A. J., Johnson, J. G., Rubel, M. 1971.
Descriptions of brachiopod genera of subfamily Virgianinae Boucot et Amsden, 1963.Eesti NSV Teaduste Akadeemia Toimetised. Keemia, Geoloogia / Известия Академии наук Эстонской ССР. Химия. Геология20,
3,271-280.
Rubel, M. 1970.
Silurian Brachiopods Pentamerida and Spiriferida of Estonia.