selts
Hybocrinida Jaekel, 1918
Valik taksonit käsitlevast teaduskirjandusest
Semenov, N. K., Terentyev, S. S., Mirantsev, G. V., Rozhnov, S. V. 2021. A New Hybocrinid Genus (Echinodermata, Crinoidea) from the Middle Ordovician of Ladoga Glint on the Volkhov River.  Paleontological Journal   55,   1,   54-63. DOI:10.1134/S0031030121010123
Rozhnov, S. V. 2007. New data on perittocrinids and hybocrinids (Crinoidea, Echinodermata) from the Middle Ordovician of the Baltic region.  Annales de Paléontologie   93,   4,   261-276. DOI:10.1016/j.annpal.2007.09.004
Donovan, S. K. 1986. A new genus of Inadunate crinoid with unique stem morphology from the Ashgill of Sweden.  Palaeontology   29,   2,   235-242.
Donovan, S. K. 1984. Ristnacrinus and the earliest myelodactylid from the Ashgillian Boda Limestone of Sweden.  GFF   106,   4,   347-356. DOI:10.1080/11035898509454663
Arendt, Yu. A. 1976. Ordovikskie iglokožie gemistreptokrinoidei.  Bulletin of the Moscow Society of Naturalists. Geological series   51,   2,   63-84.
Rõõmusoks, A. 1970. Stratigraphy of the Viruan Series (Middle Ordovician) in Northern Estonia, I. pp. 1-346.  Valgus. 
Hecker, R. F. 1964. Klass Cystoidea. Cistoidei.  Osnovy paleontologii. Iglokožie, gemihordovye, pogonofory i ŝetinkočelûstnye, pp. 30-45.   Nedra. 
Männil, Ralf 1959. New Representatives of Hoplocrinus from the Middle Ordovician of Estonia.  Tartu Riikliku Ülikooli Toimetised   75,   I,   82-97.
Männil, Ralf 1958. Zur Stratigraphie der oberordovizischen Nabala-Stufe (FIa) in Estland.  ENSV TA Geoloogia Instituudi Uurimused   II,      3-17.
Regnéll, G. 1948. Swedish Hybocrinida (Crinoidea Inadunata Disparata; Ordovician-Lower Silurian).  Arkiv För Zoologi   40 A,   9,   1-27.
Regnéll, G. 1948. An Outline of the Succession and Migration of Non-Crinoid Pelmatozoan Faunas in the Lower Paleozoic of Scandinavia.  Arkiv för kemi, mineralogi och geologi   26 A,   13,   1-55.  Almqvist & Wiksells Boktryckeri AB. 
Öpik, A. 1935. Hoplocrinus - eine stiellose Seelilie aus dem Ordovizium Estlands.  Tartu Ülikooli Geoloogia Instituudi Toimetused   43,      1-15.
Öpik, A. 1935. Amphipora ramosa (Phill.) in the Marine Devonian of Estonia.  Tartu Ülikooli Geoloogia Instituudi Toimetused   41,      1-7.
Öpik, A. 1925. Beiträge zur Kenntnis der Kukruse-(C2-) Stufe in Eesti. I.  Acta et Commentationes Universitatis Tartuensis   VIII,   5,   1-18.  G. Mattiesen. 
Grewingk, C. 1868. Ueber Hoplocrinus dipentas und Baerocrinus Ungerni.  Archiv für die Naturkunde Liv-, Ehst- und Kurlands   4,   1,   100-114.
Eichwald, E. 1866. Die Rhytina borealis und der Homocrinus dipentas in der Lethea Rossica.  Bulletin of the Moscow Society of Naturalists. Geological series   39,   1,   138-162.
Eichwald, E. 1861. Paleontologiâ Rossii. Drevnij period. II. Fauna grauvakkovoj, gornoizvestkovoj i medistoslancevatoj formacij Rossii. pp. 1-521.  R. Golike (former Ya. Ionsona). 
Leitud liigid
1. Baerocrinus parvus Jaekel, 1900 | Alam-Ordoviitsium
3. Cornucrinus longicornis Regnéll, 1948 | Katy lade
4. Cornucrinus mirus Regnéll, 1948 | Katy lade
5. Hoplocrinus dalecarlicus Regnéll, 1948 | Ordoviitsium
8. Hoplocrinus grewingki Öpik, 1925 | Kukruse lade
11. Hoplocrinus oanduensis Männil, 1959 | Oandu lade
13. Hoplocrinus symmetricus Männil, 1959 | Kukruse lade
14. Hoplocrinus tallinnensis Öpik, 1935 | Kukruse lade
15. Hoplocrinus tuberculatus Männil, 1959 | Keila lade
16. Hoplocrinus vasalemmaensis Männil, 1959 | Keila lade
17. Revalocrinus costatus Jaekel, 1918 | Aseri lade
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Klassifikatsioon
| organismirühm | Biota | 
| riik | Animalia | 
| hõimkond | Echinodermata | 
| alamhõimkond | Pelmatozoa | 
| klass | Crinoidea | 
| alamklass | Hybocrinea | 
| selts | Hybocrinida | 
| sugukond | Baerocrinidae | 
| Cornucrinidae | |
| Hybocrinidae | 
 See also