Chrysaora achlyos
...that the giant jellyfish Chrysaora achlyos is the largest invertebrate discovered in the 20th century?
...that the giant jellyfish <i id="mwBNo"><b id="mwBNs"><a href="./Chrysaora_achlyos" id="mwBNw" rel="mw:WikiLink" title="Chrysaora achlyos">Chrysaora achlyos</a></b></i> is the largest <a href="./Invertebrate" id="mwBN0" rel="mw:WikiLink" title="Invertebrate">invertebrate</a> discovered in the <a href="./20th_century" id="mwBN4" rel="mw:WikiLink" title="20th century">20th century</a>?