Echinoida
Encyclopedia
Echinoida is an order of sea urchins in the class
Echinoidea. They are distinguished from other sea urchins by simultaneously possessing both an un-sculpted test and a feeding lantern with large plates fused across the top of each pyramid.
Class (biology)
In biological classification, class is* a taxonomic rank. Other well-known ranks are life, domain, kingdom, phylum, order, family, genus, and species, with class fitting between phylum and order...
Echinoidea. They are distinguished from other sea urchins by simultaneously possessing both an un-sculpted test and a feeding lantern with large plates fused across the top of each pyramid.
Taxonomy
Order Echinoida- Family EchinidaeEchinidaeEchinidae is a family of sea urchins in the order Echinoida. Members of the family are found in the Atlantic Ocean and the Antarctic.-Characteristics:...
- Family Echinometridae
- Family Parasaleniidae
- Family StrongylocentrotidaeStrongylocentrotidaeStrongylocentrotidae is a family of sea urchins in the order Echinoida.-Allocentrotus:Contains the following species:* Allocentrotus fragilis -Strongylocentrotus:Contains the following species:...
See also
- Colobocentrotus atratusShingle urchinThe shingle urchin or helmet urchin is a species of sea urchin in the family Echinometridae. In Hawaii it is known as "kaupali" which translates as "cliff-clinging"...
- Shingle urchin - Echinus acutusEchinus acutusEchinus acutus is a species of sea urchin in the family Echinidae, commonly known as the white sea urchin. It is an omnivore and feeds on algae and small invertebrates.-Description:...
- White sea urchin - Echinus esculentus - Common sea urchin
- Echinus tylodesEchinus tylodesEchinus tylodes is a species of sea urchin in the Echinidae family. It is found in the Gulf of Mexico.-References:*K. Serafy, Distribution, diet and reproduction in the genus Echinus: Evidence for recent diversification?, Echinoderm Research 1995....
- Evechinus chloroticus - New Zealand sea urchin
- Heterocentrotus mammillatusHeterocentrotus mammillatusThis urchin, commonly known as the slate pencil urchin, red slate pencil urchin, or red pencil urchin, is found throughout the tropical waters of the Indo-Pacific region, but is most abundant in Hawai‘i...
- Red pencil urchin - Heterocentrotus trigonariusHeterocentrotus trigonariusHeterocentrotus trigonarius, commonly known as the slate pencil urchin or red slate pencil urchin, is found in the tropical waters of the Indo-Pacific region.Heterocentrotus mammillatus is a similar, related species.-References:* *...
- Slate pencil urchin - Loxechinus albusLoxechinus albusLoxechinus albus or Chilean sea urchin is an echinoderm of the family Parechinidae, native to the coasts of Chile and Peru. It is found shallowly buried in fine sand, and muddy sand, beaches at and below low tide level.-Description:...
- Chilean sea urchin