Species
Hoplocrinus grewingki Öpik, 1925
Type specimen data
Synonymy list
1925 Hoplocrinus grewingki sp.nov. — Öpik , pp. 17, fig. 2: 14, 15
1935 Hoplocrinus grewingki A. Ö. — Öpik , pp. 11, fig. II 1-3
1948 Hoplocrinus grewingki Öpik — Regnéll , pp. 6-7
Selection of related publications
Männil, Ralf 1959. New Representatives of Hoplocrinus from the Middle Ordovician of Estonia. Tartu Riikliku Ülikooli Toimetised 75, I, 82-97.
Öpik, A. 1935. Hoplocrinus - eine stiellose Seelilie aus dem Ordovizium Estlands. Tartu Ülikooli Geoloogia Instituudi Toimetused 43, 1-15.
Öpik, A. 1925. Beiträge zur Kenntnis der Kukruse-(C2-) Stufe in Eesti. I. Acta et Commentationes Universitatis Tartuensis VIII, 5, 1-18. G. Mattiesen.
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Klassificering
| Organism group | Biota |
| Kingdom | Animalia |
| Phylum | Echinodermata |
| Subphylum | Pelmatozoa |
| Class | Crinoidea |
| Subclass | Hybocrinea |
| Order | Hybocrinida |
| Family | Hybocrinidae |
| Genus | Hoplocrinus |
| Species | dalecarlicus |
| dipentas | |
| estonus | |
| grewingki | |
| heckeri | |
| laevis | |
| oanduensis | |
| pseudodicyclicus | |
| symmetricus | |
| tallinnensis | |
| tuberculatus | |
| vasalemmaensis |
References based on distribution
- Öpik, 1935b Sõjamägi Kukruse Stage
- Öpik, 1935b Peetri hillock, inclined drift Kukruse Stage
- Öpik, 1925a Pirita-Ülemiste trench Kukruse Stage