Irregularia is an infraclass of echinoderms. There are 2086 species of Irregularia, in 417 genera and 87 families. It includes groups like Desorellidae, Pygorhytidae, and Pygasteridae. Dead Irregularia form shallow marine sediments. They are bioturbators. They are omnivores. They have sexual reproduction.
EOL has data for 14 attributes, including: