Genus

Cremnorthis Williams, 1963

Aiheeseen liittyvät julkaisut

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

List of species

1. Cremnorthis parva Williams, 1963 | Keila Stage→Oandu Stage

2. Cremnorthis sp. A Hints, 1972 | Lasnamägi Stage

3. Cremnorthis sp. B Hints, 1972 | Uhaku Stage

4. Cremnorthis uhakuana Hints, 1968 | Uhaku Stage→Idavere Substage

Luokittelu

Organism group	Biota
Kingdom	Animalia
Phylum	Brachiopoda
Subphylum	Rhynchonelliformea
Class	Rhynchonellata
Order	Orthida
Suborder	Orthidina
Superfamily	Plectorthoidea
Family	Cremnorthidae
Genus	Cremnorthis
Species	parva
	sp. A
	sp. B
	uhakuana
Genus	Septorthis