Familia Pentacrinitidae

Classification

Biota [regio]
Animalia [regnum]
Echinodermata [phylum]
Crinoidea [classis]
Isocrinida [ordo]
Pentacrinitidae [familia]

Familia Pentacrinitidae contains the following taxa:
Seirocrinus Gislen, 1924 [genus]