Genus

Ranorthis Öpik, 1939

Aiheeseen liittyvät julkaisut

Egerquist, E., Holmer, L. E. 2006. Early-Middle Ordovician (Billingen- Volkhov stages) Orthide and Protorthide brachiopods from the East Baltic. GFF 128, 4, 339-348. DOI:10.1080/11035890601284339

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. 1939. Brachiopoden und Ostrakoden aus dem Expansusschiefer Norwegens. Norsk Geologisk Tidsskrift 19, 117-142.

List of species

1. Ranorthis carinata Rubel, 1961 | Volkhov Stage

2. Ranorthis norvegica Öpik, 1939 | Volkhov Stage→Kunda Stage

3. Ranorthis parvula Rubel, 1961 | Hunneberg Stage→Billingen Stage

Luokittelu

Organism group	Biota
Kingdom	Animalia
Phylum	Brachiopoda
Subphylum	Rhynchonelliformea
Class	Rhynchonellata
Order	Orthida
Suborder	Orthidina
Superfamily	Plectorthoidea
Family	Ranorthidae
Genus	Ranorthis
Species	carinata
	norvegica
	parvula
	rotunda
	trivia