Echinodermata

Heckerocrinus laevis (Hecker, 1938)

Synonymy list
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
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.
Rõõmusoks, A. 1970. Stratigraphy of the Viruan Series (Middle Ordovician) in Northern Estonia, I.
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.
References based on distribution