Genus

Borealis Boucot, Johnson et Rubel, 1971

Aiheeseen liittyvät julkaisut

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. Геология 20, 3, 271-280. DOI:10.3176/chem.geol.1971.3.16

Rubel, M. 1970. Silurian Brachiopods Pentamerida and Spiriferida of Estonia. pp. 1-75. Valgus.

Eichwald, E. 1860. Lethaea Rossica ou Paléontologie de la Russie. Premier volume. Ancienne Période en deux sections. pp. XIX+1–1657. E. Schweizerbart. DOI:10.5962/bhl.title.52391

List of species

1. Borealis borealis (Eichwald, 1842) | Juuru Stage

2. Borealis pumilus (Eichwald, 1856) | Raikküla Stage

3. Borealis samojedicus (Keyserling, 1846) | Silurian

Luokittelu

Organism group	Biota
Kingdom	Animalia
Phylum	Brachiopoda
Subphylum	Rhynchonelliformea
Class	Rhynchonellata
Order	Pentamerida
Suborder	Pentameridina
Superfamily	Pentameroidea
Family	Virgianidae
Subfamily	Virgianinae
Genus	Borealis
Species	borealis
	nana
	pumilus
	samojedicus
Genus	Holorhynchus
	Proconchidium
	Virgiana