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.
List of species
1. Cnemidactis osloensis Hansen, Bruton et Jakobsen, 2005 | Middle Ordovician
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Luokittelu
Organism group | Biota |
Kingdom | Animalia |
Phylum | Echinodermata |
Subphylum | Asterozoa |
Class | Asteroidea |
Order | Platyasterida |
Suborder | Bdellacomidae |
Family | Palasteriscidae |
Urasterellidae | |
Genus | Cnemidactis |
Urasterella |