Metadata
Author: WikiMatrix
Data
English[en]
They have a single series of marginal plates, a fused ring of disc plates, a reduced number of aboral plates, crossed pedicellariae, and several series of long spines on the arms.
Spanish[es]
Tienen una sola serie de placas marginales, un anillo de placas de disco fusionado, sin placas actinales, una columna ambulacral que se parece a un carrete, placas abactinales reducidas, pedicelarios cruzados, y varias series de espinas largas en los brazos.