Iocrinus
Species
Iocrinus subcrassus (Meek & Worthen)
Occurrence: Fulton, Economy, Southgate, McMicken, Mount Hope, Fairmount, Bellevue, Corryville, Mount Auburn, Waynesville
Reference: Ausich, 1996
Pentagonal to star-shaped stem, with ridges on calyx aligned with ridges on stem