The Home Mortgage Disclosure Act (HMDA) was enacted by Congress in 1975 and was implemented by the Federal Reserve Board's Regulation C. On July 21, 2011, the rule-writing authority of Regulation C was transferred to the Consumer Financial Protection Bureau (CFPB).
They show their radial symmetry in much the same way as the spokes of a bicycle wheel radiate from the center and they exhibit short or long spines. Starfish and brittle stars look like stars, many sea cucumbers look like actual cucumbers found in the supermarket, and sea urchins and sand dollars are very spiny.
The most striking feature of all echinoderms is their pentamerous radial symmetry. That is, the body can be divided into five parts (or appendages) which point outward from the center of the body. Interestingly, although most mature echinoderms are radially symmetrical, the larvae usually have bilateral symmetry.