Home›Echinoderms›Common GroupBrowse ByCommon GroupFactsCommon GroupSourcesComments (0)Reader Challenges (0)FactsComparisonReproductive ModeWell-attestedOviparous (Egg-Laying) 1Common GroupBrowseCompareBrittle Stars and Basket Stars (Ophiuroidea)Echinoderms2 entriesCrinoids (Sea Lilies and Feather Stars)Echinoderms2 entriesSea Cucumbers (Holothuroidea)Echinoderms4 entriesSea Stars (Asteroidea)Echinoderms7 entriesSea Urchins and Sand Dollars (Echinoidea)Echinoderms2 entriesSources1. Wikipedia: Echinodermtier 2WikipediaEchinoderm, Reproduction sectionQuote, Echinoderm, Reproduction sectionThe eggs and sperm cells are typically released into open water, where fertilisation takes place.View the SourceComments (0)No comments yet. Be the first to share a thought.Sign in to join the discussion.Reader Challenges (0)No disputes yet. Spotted an error or a better source? Open the first one.Sign in to dispute this or suggest a correction.