Echinodermata
Genus

Paractocrinus Jaekel, 1918

Selection of related publications
Arendt, Yu. A. 1976. Ordovikskie iglokožie gemistreptokrinoidei. Bulletin of the Moscow Society of Naturalists. Geological series 51, 2, 63-84.
List of species
1. Paractocrinus tuberculatus Jaekel, 1918 | Volkhov StageOandu Stage
Classification
Organism groupBiota
KingdomAnimalia
PhylumEchinodermata
SubphylumPelmatozoa
ClassCrinoidea
OrderHemistreptocrinida
FamilyParactocrinidae
GenusParactocrinus
Speciestuberculatus
References based on distribution