Cidaridae is a family of sea urchins in the order Cidaroida. Cidarid sea urchins are characterized by their stout skeleton : the test is thick and hard...

The thick spines (radiola) of Cidaridae were used for walking on the soft seabed....

Anisocidaridae Vadet, 1999 † superfamily Cidaroidea Gray, 1825 family Cidaridae Gray, 1825 family Ctenocidaridae Mortensen, 1928a family Paurocidaridae...

Plococidaris is a monotypic genus of echinoderms belonging to the family Cidaridae. The only species is Plococidaris verticillata. The species is found in...

fossiles. p. 103. Döderlein LHP (1887). Die japanischen Seeigel, I. Familie Cidaridae und Saleniidae. Stuttgart. p. 42.{{cite book}}: CS1 maint: location missing...

Stereocidaris is a genus of echinoderm belonging to the family Cidaridae. The genus has almost cosmopolitan distribution. Species: Stereocidaris alcocki...

Cidaris abyssicola is a species of sea urchin in the Family Cidaridae. Cidaris abyssicola was first scientifically described in 1869 by Alexander Emanuel...

metularia, the ten-lined urchin, is a species of sea urchins in the family Cidaridae. It is found in shallow parts of the Indo-Pacific Ocean and is characterised...

and land mine sea urchin, is a species of sea urchins in the family Cidaridae. It has distinctive thick, blunt spikes. The test is brown or black. The...

Goniocidaris is a genus of sea urchins (Echinoidea) in the family Cidaridae and typical of the subfamily Goniocidarinae. Extant species are mostly found...

Calocidaris micans is a species of sea urchins of the family Cidaridae. Their armour is covered with spines. Calocidaris micans was first scientifically...

Centrocidaris is a monotypic genus of sea urchins belonging to the family Cidaridae. The only species is Centrocidaris doederleini. Their armour is covered...

Cidaris mabahissae is a species of sea urchins of the Family Cidaridae. Their armour is covered with spines. Cidaris mabahissae was first scientifically...

Gruyter. pp. 58–61. ISBN 978-3-11-036853-6. "Clypeaster reticulatus". Cidaridae (in French). University Pierre & Marie Curie. Retrieved 2 June 2018. "Clypeaster...

Austrocidaris spinulosa is a species of sea urchins of the family Cidaridae. Their armour is covered with spines. Austrocidaris spinulosa was first scientifically...

Sri Lanka is a tropical island situated close to the southern tip of India. The invertebrate fauna is as large as it is common to other regions of the...

the raspberry sea urchin, is a species of sea urchins of the family Cidaridae. Their armour is covered with short, conical spines. Chondrocidaris brevispina...

Cidaris blakei is a species of sea urchins of the family Cidaridae. Its armour is covered with spines of three types, one unique type being extended and...

Austrocidaris canaliculata is a species of sea urchins of the family Cidaridae. Their armour is covered with spines. Austrocidaris canaliculata was first...

Prionocidaris thomasi is a species of echinoderms belonging to the family Cidaridae. "WoRMS - World Register of Marine Species - Prionocidaris thomasi (A...

Cidaris nuda is a species of sea urchins of the Family Cidaridae. Their armour is covered with spines. Cidaris nuda was first scientifically described...

Cidaris rugosa is a species of sea urchins of the Family Cidaridae. Their armour is covered with spines. Cidaris rugosa was first described in 1907 by...

flanges. It is found in the Philippines and the Bonin Islands, Japan. Cidaridae WoRMS. Retrieved 2011-08-28. Family Psychocidaridae Ikeda, 1936 The Echinoid...

Acanthocidaris is a genus of echinoderms belonging to the family Cidaridae. The species of this genus are found in Australia, Indian Ocean and Malesia...

†Cidaris elegans Münster, 1826 (syn. †Cidarites elegans), a fossil species (Cidaridae) from the Jurassic of France Cidaris elegans (A. Agassiz, 1879), a synonym...

Calocidaris is a genus of echinoderms belonging to the family Cidaridae. The species of this genus are found in Central America. Species: Calocidaris...

Austrocidaris pawsoni is a species of sea urchins of the Family Cidaridae. Their armour is covered with spines. Austrocidaris pawsoni was first scientifically...

or blade-tipped tiara-urchin, is a species of sea urchin of the family Cidaridae. Chondrocidaris gigantea was first scientifically described in 1863 by...

Acanthocidaris maculicollis is a species of sea urchin of the family Cidaridae. Their armour is covered with spines. It came from the genus Acanthocidaris...

Animalia Phylum: Echinodermata Class: Echinoidea Order: Cidaroida Family: Cidaridae Subfamily: Cidarinae Genus: Cidaris Leske, 1778 Type species Echinus cidaris...