Echinoderms of Panboola
This is a guide to echinoderms of Panboola based on records from the Atlas of Living Australia http://alcw.ala.org.au/bdrs-core/alcw/fieldguide/groups.htm?group=Echinoderms
Sea Urchin
Brissus agassizii is a species of sea urchins of the Family Brissidae. Their armour is covered with spines. Brissus agassizii was first scientifically described in 1885 by Döderlein.
Black Sea Urchin
Diadematidae is a family of sea urchins. The test is either rigid or flexible and the spines are long and hollow.
Rock-boring Urchin
Echinometra mathaei, the burrowing urchin, is a species of sea urchin in the family Echinometridae. It occurs in shallow waters in the Indo-Pacific region. The type locality is Mauritius.
Collector Urchin
The collector urchin (Tripneustes gratilla) is a species of sea urchin. Collector urchins are found at depths of 2 to 30 metres (7 to 100 ft) in the waters of the Indo-Pacific, Hawaii, and the Red Sea. They can reach 10 to 15 centimetres (4 to 6 in) in size.
Strawberry Sea Cucumber
Synaptidae is a family of sea cucumber that have no tube feet, tentacle ampullae, retractor muscles, respiratory trees, or cuvierian organs. They also lack radial canals of the water-vascular system, with only the circumoral ring present.
