Selection of related publications
Kõrts, A. 1989. Brachiolar plates of Bockia (Eocrinoidea) from the Middle Ordovician of Estonia and Leningrad Region.Fossil and Recent Echinoderm researches , pp. 34-37. Academy of Sciences of the Estonian SSR Institute of Geology.
Bockelie, J. F. 1981. The Middle Ordovician of the Oslo Region, Norway: 30. The eocrinoid genera Cryptocrinites, Rhipidocystis and Bockia. Norsk Geologisk Tidsskrift 61, 2, 123-147.
Rõõmusoks, A. 1970. Stratigraphy of the Viruan Series (Middle Ordovician) in Northern Estonia, I. pp. 1-346. Valgus.
Hecker, R. F. 1940. Nižnesilurijskie i devonskie iglokožie. Carpoidea, Eocrinoidea i Ophiocistia nižnego silura Leningradskoj oblasti i Èstonii. Transactions of the Paleontological Institute (PIN) 9, 4, 5-82.
Hecker, R. F. 1938. New data on Rhipidocystis Jkl (Oder Digitata n. o., class Carpoidea Jkl) and on a new Genus Bockia (subclass Eocrinoidea Jkl, class Crinoidea Mill.) from the Ordovician of Leningrad province, USSR, and Estonia. Doklady Akademii Nauk SSSR 19, 5, 421-425.
List of species
1. Heckerocrinus cucumis (Hecker, 1938) | Idavere Substage
2. Heckerocrinus grava (Bockelie, 1981) | Ordovician
3. Heckerocrinus heintzi (Bockelie, 1981) | Darriwilian
5. Heckerocrinus mirabilis (Bockelie, 1981) | Lower Ordovician
Loading...
Classification
Organism group | Biota |
Kingdom | Animalia |
Phylum | Echinodermata |
Subphylum | Blastozoa |
Class | Eocrinoidea |
Order | Trachelocrinida |
Family | Heckerocrinidae |
Genus | Bockia |
Heckerocrinus |