Family

Urasterellidae Schuchert, 1914

Aiheeseen liittyvät julkaisut

Blake, D. B., Rozhnov, S. 2007. Aspects of life mode among Ordovician asteroids: Implications of new specimen from Baltica. Acta Palaeontologica Polonica 52, 3, 519-533.

Hansen, T., Bruton, D. L., Jakobsen. L. 2005. Starfish from the Ordovician of the Oslo Region, Norway. Norwegian Journal of Geology 85, 3, 209-216.

Franzén, C. 1979. Echinoderms. Sveriges Geologiska Undersökning 73, 3, 216-224.

List of species

1. Cnemidactis osloensis Hansen, Bruton et Jakobsen, 2005 | Middle Ordovician

2. Urasterella ruthveni Forbes, 1848 | Wenlock→Ludlow

Luokittelu

Organism group	Biota
Kingdom	Animalia
Phylum	Echinodermata
Subphylum	Eleutherozoa
Class	Asteroidea
Order	Platyasterida
Suborder	Bdellacomidae
Family	Palasteriscidae
	Urasterellidae
Genus	Cnemidactis
	Urasterella