Associations to the word «Echinoidea»
Wiktionary
ECHINOIDEA, proper noun. A taxonomic class within the superclass Cryptosyringida — the sea urchins and sand dollars.
Dictionary definition
ECHINOIDEA, noun. Sea urchins and sand dollars.
Wise words
We should have a great fewer disputes in the world if words
were taken for what they are, the signs of our ideas only,
and not for things themselves.