Jugiaster
Species
Jugiaster speciosus (Miller and Dyer, 1878)
Occurrence: Arnheim, Waynesville, Liberty, Whitewater
Reference: Branstrator, 1975 (mention); Ausich, 1996; Blake, 2007
Originally named Palaeasterina speciosa; also called Petraster speciosus
Characterized by short arms that grade into a poorly differentiated central disk; arms have a margin with large plates