Species

Heckerocrinus laevis (Hecker, 1938)

Synonyymit
1938     Bockia laevis n. sp — Hecker , pp. 424
1940     Bockia laevis n. sp — Hecker , pp. 49, fig. VII1-3
1989     Bockia laevis — Kõrts , pp. 34, fig. 1-3
2012     Heckerocrinus (Bockia) laevis — Doweld , pp. 457-458
Aiheeseen liittyvät julkaisut
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.
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.
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Levinneisyys ja viitteet
  • Hecker, 1938а   Tatruse outcrop   Idavere Substage
  • Kõrts, 1989   Vinni T-112 borehole   65.05 - 71.7   Kukruse Stage
  • Kõrts, 1989   Evasu 525 borehole   51.6 - 60.9   Idavere Substage
  • Kõrts, 1989   Aluvere quarry   Idavere Substage
  • Kõrts, 1989   Nikolajevskoye 3 borehole, Leningrad Oblast   148 - 178   Kukruse Stage
  • Kõrts, 1989   Kohtla opencast   Kukruse Stage
  • Kõrts, 1989   Krasnye Gory 20 borehole, Leningrad Oblast   141.5 -
  • Kõrts, 1989   Yashchera 8 borehole   165.5 -
  • Kõrts, 1989   Krasnye Gory 6 borehole, Leningrad Oblast   178.5 -
  • Kõrts, 1989   Osmino 126 borehole, Leningrad Oblast   65.95 - 66.83