Cidaroida is an order of echinoderms. There are 425 species of Cidaroida, in 73 genera and 13 families. It includes groups like Polycidaridae, Miocidaridae, and Triadocidaridae. Dead Cidaroida form shallow marine sediments. They are omnivores. They have sexual reproduction.
EOL has data for 10 attributes, including: