SEA URCHINS
LONG SPINED
URCHIN
Diadema antillarum
ROCK BORING
URCHIN
Echinometra lucunter
W. INDIAN
SEA EGG
Tripneustes ventricosus
MOSAIC SAND DOLLAR
Clypeaster luetkeni
ECHINOIDEA
DIADEMATIDAE
SAND DOLLARS
(CLYPEASTERIDAE)
TOXOPNEUSTIDAE
ECHINOMETRIDAE
SEA URCHINS
SLATEPENCIL
URCHIN
Eucidarus tribuloides
CIDARIDAE