Echinodermata

Ophiuroidea Gray, 1840

Selection of related publications
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.
Shackleton, J. D. 2005. Skeletal homologies, phylogeny and classification of the earliest Asterozoan echinoderms. Journal of Systematic Palaeontology 3, 1, 29-114. DOI:10.1017/S1477201905001525