Aspect of Coronoidea?

[mbarco]

Does anyone have a drawing where you can understand what a Coronoidea (Echinoderm class) looked like in real life (i.e. brachioles)?

[piranha]

Incoming via PM:

 

Brett, C.E., Frest, T.J., Sprinkle, J., Clement, C.R. 1983

Coronoidea: A New Class of Blastozoan Echinoderms Based on Taxonomic Reevaluation of Stephanocrinus.

Journal of Paleontology, 57(4):627-651

[mbarco]

Thanks a lot for your help