Upper Mississippian

Platycrinites penicillus

Dichocrinus parvulus

Dizygocrinus (Batocrinus) davisi

Rhopocrinus probodiscialis

Culmicrinus vagulus

Aphelecrinus columbiensis

Pentaramicrinus unusualis

Dinotocrinus compactus

Linocrinus cariniferous

Lanecrinus fountainensis

Aphelecrinus elegans

Ampelocrinus mundus

Cymbiocrinus romingeri

Taxocrinus shumardianus

Onychocrinus distensus