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Cidaroida, the Glossary

Index Cidaroida

Cidaroida, also known as pencil urchins, is an order of primitive sea urchins, the only living order of the subclass Perischoechinoidea.[1]

Table of Contents

  1. 21 relations: Ambulacral, Chondrocidaris gigantea, Cidaridae, Cidaris blakei, Cidaris cidaris, Cidaroida, Ctenocidaridae, Diplocidaridae, Eucidaris tribuloides, Histocidaris, Mesozoic, Notocidaris, Order (biology), Perischoechinoidea, Phyllacanthus imperialis, Plococidaris, Psychocidaridae, Sea urchin, Stylocidaris affinis, Test (biology), World Register of Marine Species.

  2. Cisuralian first appearances
  3. Echinoderm orders
  4. Extant Permian first appearances

Ambulacral

Ambulacral is a term typically used in the context of anatomical parts of the phylum Echinodermata or class Asteroidea and Edrioasteroidea.

See Cidaroida and Ambulacral

Chondrocidaris gigantea

Chondrocidaris gigantea, also known as the rough-spined urchin or blade-tipped tiara-urchin, is a species of sea urchin of the family Cidaridae.

See Cidaroida and Chondrocidaris gigantea

Cidaridae

Cidaridae is a family of sea urchins in the order Cidaroida. Cidaroida and Cidaridae are Cisuralian first appearances and Extant Permian first appearances.

See Cidaroida and Cidaridae

Cidaris blakei

Cidaris blakei is a species of sea urchins of the family Cidaridae.

See Cidaroida and Cidaris blakei

Cidaris cidaris

Cidaris cidaris is a species of sea urchin commonly known as the long-spine slate pen sea urchin.

See Cidaroida and Cidaris cidaris

Cidaroida

Cidaroida, also known as pencil urchins, is an order of primitive sea urchins, the only living order of the subclass Perischoechinoidea. Cidaroida and Cidaroida are Cisuralian first appearances, echinoderm orders and Extant Permian first appearances.

See Cidaroida and Cidaroida

Ctenocidaridae

Ctenocidaridae is a family of echinoderms belonging to the order Cidaroida.

See Cidaroida and Ctenocidaridae

Diplocidaridae

Diplocidaridae is an extinct family of sea urchins.

See Cidaroida and Diplocidaridae

Eucidaris tribuloides

Eucidaris tribuloides, the slate pencil urchin, is a species of cidaroid sea urchins that inhabits littoral regions of the Atlantic Ocean.

See Cidaroida and Eucidaris tribuloides

Histocidaris

Histocidaris is a genus of sea urchins in the family Histocidaridae.

See Cidaroida and Histocidaris

Mesozoic

The Mesozoic Era is the penultimate era of Earth's geological history, lasting from about, comprising the Triassic, Jurassic and Cretaceous Periods.

See Cidaroida and Mesozoic

Notocidaris

Notocidaris is a genus of echinoderms belonging to the family Ctenocidaridae.

See Cidaroida and Notocidaris

Order (biology)

Order (ordo) is one of the eight major hierarchical taxonomic ranks in Linnaean taxonomy.

See Cidaroida and Order (biology)

Perischoechinoidea

Perischoechinoidea is a subclass of primitive sea urchins that were abundant in the Palaeozoic seas.

See Cidaroida and Perischoechinoidea

Phyllacanthus imperialis

Phyllacanthus imperialis, also known as the Sputnik urchin, imperial lance urchin, imperial sea urchin, imperial urchin, pencil sea urchin, lance urchin, knobby sputnik sea urchin, mine urchin, and land mine sea urchin, is a species of sea urchins in the family Cidaridae.

See Cidaroida and Phyllacanthus imperialis

Plococidaris

Plococidaris is a monotypic genus of echinoderms belonging to the family Cidaridae.

See Cidaroida and Plococidaris

Psychocidaridae

Psychocidaridae is a family of sea urchins in the order Cidaroida.

See Cidaroida and Psychocidaridae

Sea urchin

Sea urchins or urchins, alternatively known as sea hedgehogs, are typically spiny, globular animals, echinoderms in the class Echinoidea.

See Cidaroida and Sea urchin

Stylocidaris affinis

Stylocidaris affinis, also known as pencil urchin or red lance urchin, is a species of sea urchin.

See Cidaroida and Stylocidaris affinis

Test (biology)

In biology, a test is the hard shell of some spherical marine animals and protists, notably sea urchins and microorganisms such as testate foraminiferans, radiolarians, and testate amoebae.

See Cidaroida and Test (biology)

World Register of Marine Species

The World Register of Marine Species (WoRMS) is a taxonomic database that aims to provide an authoritative and comprehensive list of names of marine organisms.

See Cidaroida and World Register of Marine Species

See also

Cisuralian first appearances

Echinoderm orders

Extant Permian first appearances

References

[1] https://en.wikipedia.org/wiki/Cidaroida

Also known as Cidaroidea, Pencil urchin.