Crossword solverSynonyms for echinoderm genus13 crossword answers for “echinoderm genus” (10,5), sorted by letter count.How many letters?All1351721011121221521622015 letters 1genus7 letters 2antedoneuryale10 letters 1Holothuria11 letters 2Ptilocrinusastrophyton12 letters 2genus Antedon(5,7)genus Euryale(5,7)15 letters 2Gorgonocephalusgenus holothuria(5,10)16 letters 2genus Astrophyton(5,11)genus ptilocrinus(5,11)20 letters 1genus gorgonocephalus(5,15)