Cidaroida, also known as pencil urchins, is an order of primitive sea urchins, the only living order of the subclass Perischoechinoidea. All other orders...
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sandstones. Archaeocidaris brownwoodensis, Cidaroida, Carboniferous, c. 300 mya Miocidaris coaeva, Cidaroida, Middle Triassic, c. 240 mya Clypeus plotti...
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regions of the Atlantic Ocean. As a member of the basal echinoid order Cidaroida, its morphological, developmental and molecular genetic characteristics...
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Eukaryota Kingdom: Animalia Phylum: Echinodermata Class: Echinoidea Order: Cidaroida Family: Cidaridae Genus: Austrocidaris Species: A. canaliculata Binomial...
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(plant), a plant genus in the Linaceae family Radiola, the spines of fossil Cidaroida sea urchins Radiola, a 1920s line of radios by RCA Radiola, a brand name...
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Eukaryota Kingdom: Animalia Phylum: Echinodermata Class: Echinoidea Order: Cidaroida Family: Cidaridae Genus: Cidaris Species: C. blakei Binomial name Cidaris...
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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...
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1–180, retrieved 2019-02-06 B. M. Cutress. 1980. Cretaceous and Tertiary Cidaroida (Echinodermata: Echinoidea) of the Caribbean Area. Bulletins of American...
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Clypeasteroida Echinolampas depressa, an Echinolampadoida Eucidaris metularia, a Cidaroida Order Apodida Order Dendrochirotida Order Elasipodida Order Holothuriida...
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Eukaryota Kingdom: Animalia Phylum: Echinodermata Class: Echinoidea Order: Cidaroida Family: Cidaridae Genus: Austrocidaris Species: A. spinulosa Binomial...
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Eukaryota Kingdom: Animalia Phylum: Echinodermata Class: Echinoidea Order: Cidaroida Family: Cidaridae Genus: Austrocidaris Species: A. pawsoni Binomial name...
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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...
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Eukaryota Kingdom: Animalia Phylum: Echinodermata Class: Echinoidea Order: Cidaroida Family: Cidaridae Genus: Acanthocidaris Species: A. hastigera Binomial...
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euechinoid sea urchins became common. Today, only a single order, the Cidaroida, survives. Most fossil forms had multiple columns of ambulacral plates...
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Eukaryota Kingdom: Animalia Phylum: Echinodermata Class: Echinoidea Order: Cidaroida Family: Cidaridae Genus: Eucidaris Species: E. galapagensis Binomial name...
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Eukaryota Kingdom: Animalia Phylum: Echinodermata Class: Echinoidea Order: Cidaroida Family: Cidaridae Genus: Phyllacanthus Species: P. imperialis Binomial...
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1–180, retrieved 2019-02-06 B. M. Cutress. 1980. Cretaceous and Tertiary Cidaroida (Echinodermata: Echinoidea) of the Caribbean Area. Bulletins of American...
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Eukaryota Kingdom: Animalia Phylum: Echinodermata Class: Echinoidea Order: Cidaroida Family: Cidaridae Genus: Calocidaris Species: C. micans Binomial name...
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P. marginata Echinoidea Cidaroida Rhabdocidaris R. nobilis Echinoidea Cidaroida Diplocidaris D. gigantea Echinoidea Cidaroida Hemicidaris H. crenularis...
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Psychocidaridae (category Cidaroida)
Psychocidaridae is a family of sea urchins in the order Cidaroida. The genus Psychocidaris is extant while the other genera are only known from fossils...
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Eukaryota Kingdom: Animalia Phylum: Echinodermata Class: Echinoidea Order: Cidaroida Family: Cidaridae Genus: Eucidaris Species: E. thouarsii Binomial name...
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Eukaryota Kingdom: Animalia Phylum: Echinodermata Class: Echinoidea Order: Cidaroida Family: Cidaridae Genus: Acanthocidaris Species: A. maculicollis Binomial...
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The list of echinoderms of South Africa is a list of species that form a part of the echinoderm (Phylum Echinodermata) fauna of South Africa, and includes...
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Eukaryota Kingdom: Animalia Phylum: Echinodermata Class: Echinoidea Order: Cidaroida Family: Ctenocidaridae Genus: Aporocidaris Species: A. antarctica Binomial...
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Eukaryota Kingdom: Animalia Phylum: Echinodermata Class: Echinoidea Order: Cidaroida Family: Cidaridae Genus: Cidaris Species: C. mabahissae Binomial name...
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Eukaryota Kingdom: Animalia Phylum: Echinodermata Class: Echinoidea Order: Cidaroida Family: Ctenocidaridae Genus: Aporocidaris Species: A. fragilis Binomial...
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Eukaryota Kingdom: Animalia Phylum: Echinodermata Class: Echinoidea Order: Cidaroida Family: Cidaridae Genus: Stylocidaris Species: S. affinis Binomial name...
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Eukaryota Kingdom: Animalia Phylum: Echinodermata Class: Echinoidea Order: Cidaroida Family: Cidaridae Genus: Prionocidaris Species: P. thomasi Binomial name...
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Eukaryota Kingdom: Animalia Phylum: Echinodermata Class: Echinoidea Order: Cidaroida Family: Cidaridae Genus: Cidaris Species: C. abyssicola Binomial name...
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Archaeocidaris (category Cidaroida genera)
classification Kingdom: Animalia Phylum: Echinodermata Class: Echinoidea Subclass: Euechinoidea Order: Cidaroida Family: Archaeocidaridae Genus: Archaeocidaris...
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