Two primibrachials; trend to decrease of proximal brachitaxes length; trend to development of marginal crenulae or ... [details]
Usually stalk symplexies of balanocrinine type, cirri oriented upwards or moderately downwards, usually embayed ... [details]
Aboral cup cryptodicyclic and poorly individualized forming a gradual transition between stalk and crown; ... [details]
More than two primibrachials, cryptosynarthry at IBr1 + 2, except Eometacrinus, always muscular synarthry at IIBr1 + 2. [details]
Lozenge-shaped cirrals, narrow and long areolas in stalk symplexies, absence of cryptosymplexies in stalk. [details]