Family
Opsiocrinidae Kier, 1952
Selection of related publications
Cole, S. R., Toom, U. 2019. New camerate crinoid genera from the Upper Ordovician (Katian) of Estonia: evolutionary origin of family Opsiocrinidae and a phylogenetic assessment of Ordovician Monobathrida. Journal of Systematic Palaeontology 17, 7, 597-611. DOI:10.1080/14772019.2018.1447519
List of species
1. Sakucrinus krossi Cole & Toom, 2019 | Oandu Stage
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Classification
| Organism group | Biota |
| Kingdom | Animalia |
| Phylum | Echinodermata |
| Subphylum | Pelmatozoa |
| Class | Crinoidea |
| Subclass | Camerata |
| Infraclass | Eucamerata |
| Order | Diplobathrida |
| Superfamily | Dimerocrinitoidea |
| Rhodocrinitoidea | |
| Family | Opsiocrinidae |
| Genus | Sakucrinus |