Axinellida is an order of sponges. There are 561 species of Axinellida, in 50 genera and 4 families. This order has been around since the wordian age. It includes groups like Stelligeridae, Axinellidae, and Heteroxyidae. They are omnivores. They have sexual reproduction. They are sessile animals.
EOL has data for 12 attributes, including: