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
It is better wither to be silent, or to say things of more
value than silence. Sooner throw a pearl at hazard than an
idle or useless word; and do not say a little in many words,
but a great deal in a few.