Class
Asteroidea Blainville, 1830
Aiheeseen liittyvät julkaisut
Tinn, O., Ainsaar, L. 2014. Asterozoan pedicellariae and ossicles revealed from the Middle Ordovician of Baltica.. Acta Palaeontologica Polonica 59, 2, 353-358. DOI:10.4202/app.2012.0034
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
2. Estoniaster maennili Blake et Rozhnov, 2007 | Keila Stage
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Luokittelu
| Organism group | Biota |
| Kingdom | Animalia |
| Phylum | Echinodermata |
| Subphylum | Asterozoa |
| Class | Asteroidea |
| Order | Platyasterida |
| Class | Ophiuroidea |
See also