Genus

Nonparactocrinus Arendt, 1976

List of species
1. Nonparactocrinus laevis (Jaekel, 1918) | Aseri Stage→Uhaku Stage
Classification
Organism groupBiota
KingdomAnimalia
PhylumEchinodermata
SubphylumPelmatozoa
ClassCrinoidea
OrderHemistreptocrinida
FamilyHemistreptocrinidae
GenusHemistreptocrinus
Nonparactocrinus
Specieslaevis
GenusParorthocrinus
Tetractocrinus