Pencil Urchins (order)

Cidaroida

Pencil Urchins (Cidaroida) is a biological order of the phylum Echinodermata (Echinoderms) and class Echinoidea (Heart Urchins).

Classification

Families in the Order of Cidaroida

Cidaridae (family)

Cidaridae

Psychocidaridae (family)

Psychocidaridae

Orders in the Class of Echinoidea

Arbacioida (order) -
Arbacioida (order)

Arbacioida

Cassiduloida (order) -
Cassiduloida (order)

Cassiduloida

Diadematoida (order) -
Diadematoida (order)

Diadematoida

Echinoida (order) -
Echinoida (order)

Echinoida

Echinothurioida (order) -
Echinothurioida (order)

Echinothurioida

Heart Urchins (order) -
Heart Urchins (order)

Spatangoida

Holectypoida (order) -
Holectypoida (order)

Holectypoida

Pedinoida (order) -
Pedinoida (order)

Pedinoida

Pencil Urchins (order) -
Pencil Urchins (order)

Cidaroida

Phymosomatoida (order) -
Phymosomatoida (order)

Phymosomatoida

Salenioida (order) -
Salenioida (order)

Salenioida

Sand Dollars (order) -
Sand Dollars (order)

Clypeasteroida

Temnopleuroida (order) -
Temnopleuroida (order)

Temnopleuroida

External Links

Cidaroida – Wikipedia
Puzzletronic - play free puzzles online