f99a56df_Intertabrae_Chart__7
[0] Platyhelminthes [1] None [2] None [3] Mouth, pharynx and a gastrovascular cavity [4] Regeneration, Hermaphroditic [5] flame cells [6] Ladder-like nervous system [8] Muscle cells [7] 
None
S k e l e t a l
S p i c u l e s
N o n e
S o m e c o n t a i n s h e l l s
E x o s k e l e t o n m a d e o f c h i t i n
Intertabrae Chart
7