Gymnaster pentasterias
From dinoflaj2
"pentasterias" (Ehrenberg, 1840a, p.111,149) Schütt, 1891, p.19. Holotype: not designated. NOW Actiniscus. Originally Dictyocha subgenus Actiniscus, subsequently (and now) Actiniscus, thirdly Gymnaster. Age: Pliocene.
Parent: Gymnaster