Heart Urchins (class)

Echinoidea

Heart Urchins (Echinoidea) also commonly known as Sand Dollars, Sea Urchins or Urchins, is a biological class of the kingdom Animalia and phylum Echinodermata.

Classification

Orders in the Class of Echinoidea

Arbacioida (order)
Cassiduloida (order)
Diadematoida (order)
Echinoida (order)
Echinothurioida (order)
Heart Urchins (order)

Spatangoida

Holectypoida (order)
Pedinoida (order)
Pencil Urchins (order)

Cidaroida

Phymosomatoida (order)
Salenioida (order)
Sand Dollars (order)

Clypeasteroida

Temnopleuroida (order)

Classes in the Phylum of Echinodermata

Basket Stars (class) -
Basket Stars (class)

Ophiuroidea

Feather Stars (class) -
Feather Stars (class)

Crinoidea

Heart Urchins (class) -
Heart Urchins (class)

Echinoidea

Sea Cucumbers (class) -
Sea Cucumbers (class)

Holothuroidea

Somasteroidea (class) -
Somasteroidea (class)
Starfish (class) - Adult
Starfish (class)

Asteroidea

External Links

Echinoidea – Wikipedia
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