RT Book, Section A1 Darracq, Michael A. A2 Olson, Kent R. A2 Anderson, Ilene B. A2 Benowitz, Neal L. A2 Blanc, Paul D. A2 Clark, Richard F. A2 Kearney, Thomas E. A2 Kim-Katz, Susan Y. A2 Wu, Alan H. B. SR Print(0) ID 1179991730 T1 JELLYFISH AND OTHER CNIDARIA T2 Poisoning & Drug Overdose, 7e YR 2018 FD 2018 PB McGraw-Hill Education PP New York, NY SN 9780071839792 LK accessmedicine.mhmedical.com/content.aspx?aid=1179991730 RD 2024/04/18 AB The phylum Cnidaria (coelenterates), numbering over 10,000 species, includes fire coral, jellyfish (including Portuguese man-o-war, box jellyfish, sea nettle), and anemones. Despite considerable morphologic variation, all these organisms deliver venom through specialized microscopic organelles called nematocysts. Of the 10,000 different species of cnidaria, 100 are known to injure humans with nematocysts capable of penetrating the human dermis