Photos
Common Names
Unique Features
Classes
100

The class this echinoderm is in.

What is Asteroidea?

100

The common name(s) of the animals in class Asteroidea.

What are sea stars?

100

Contains a species that is usually sessile as an adult (Sea Lillies)

What is Class Crinoidea?

100

The class of echinoderm that has a stomach that can be extruded from the body for feeding.

What is Asteroidea?

200

The class this echinoderm is in

What is Echinoidea?

200

The common name(s) of the animals in class Holothuroidea.

What are sea cucumbers?

200

The largest class of Echinoderms. 

What is Phylum Ophiuroidea?

200

The class of echinoderm that has only few ossicles in its body rather than a fully formed endoskeleton.

What is class holothuroidea?

300

The class this echinoderm is in

What is Ophiuroidea?

300

The common name(s) of the animals in class Ophiuroidea.

What are brittle stars and basket stars?

300

Class that's species uses tube feet for movement, but they LACK suction cups. 

What is Class Ophiuroidea?

300

The class that have mouths that face up and use their tube feet for filter feeding.

What is Crinoidea?

400

The class that this echinoderm is in

What is Crinoidea?

400

The common name(s) of the animals in class Crinoidea.

What are sea lilies and feather stars?

400

All species in this class are carnivores. 

What is Class Asteroidea?

400

The class that has fused skeletons and use both tube feet & spines for movement

What is Echinoidea?

500

The class that this echinoderm is in



What is Holothuroidea?

500

The common name(s) of the animals in class Echinoidea.

What are sea urchins, sand dollars, and sea biscuits?

500

Many species in this class have movable spines. 

What is Class Echinoidea? 

500

The class with a two way digestive system and snake-like movement of the arms

What is Ophiuroidea?