The Echinodermata include each of the following EXCEPT A. sea stars B. sand pennies C. sea lilies D. sea cucumbers Characteristics of the Echinodermata include A. spiral cleavage B. determinate development C. ciliary eyes D. schizocoelom The most anterior division of the coelom of a sea star embryo is the A. enterocoel B. axocoel C. somatocoel D. hydrocoel.