Echinothurioida
The Echinothurioida are an order of sea urchins in the class Echinoidea. Echinothurioids are distinguished from other sea urchins by the combination of a flexible test and hollow spines. The membrane around the mouth contains only simple plates, in contrast to the more complex mouth parts of their close relatives, the Diadematoida. They are nearly all deepsea dwellers.
AraeosomaAraeosoma alternatumAraeosoma belliAraeosoma coriaceaAraeosoma coriaceumAraeosoma eurypatumAraeosoma fenestratumAraeosoma leptaleumAraeosoma owstoniAraeosoma parviungulatumAraeosoma paucispinumAraeosoma splendensAraeosoma tessellatumAraeosoma thetidisAraeosoma violaceumAsthenosomaAsthenosoma dilatatumAsthenosoma ijimaiAsthenosoma intermediumAsthenosoma marisrubisAsthenosoma marisrubriAsthenosoma periculosumAsthenosoma variumCalveriosoma gracileCalveriosoma hystrixEchinothuriidaePelanechinusPhormosoma placenta
order (taxonomy)
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AraeosomaAraeosoma alternatumAraeosoma belliAraeosoma coriaceaAraeosoma coriaceumAraeosoma eurypatumAraeosoma fenestratumAraeosoma leptaleumAraeosoma owstoniAraeosoma parviungulatumAraeosoma paucispinumAraeosoma splendensAraeosoma tessellatumAraeosoma thetidisAraeosoma violaceumAsthenosomaAsthenosoma dilatatumAsthenosoma ijimaiAsthenosoma intermediumAsthenosoma marisrubisAsthenosoma marisrubriAsthenosoma periculosumAsthenosoma variumCalveriosoma gracileCalveriosoma hystrixDiademataciaEchinothuriidaeEchinothurioideaEuechinoideaList of echinoderm ordersLiving fossilOssicle (echinoderm)PedinoidaPelanechinusPhormosoma placentaSea urchinTaxonomy of invertebrates (Brusca & Brusca, 2003)
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AraeosomaAraeosoma alternatumAraeosoma belliAraeosoma coriaceaAraeosoma coriaceumAraeosoma eurypatumAraeosoma fenestratumAraeosoma leptaleumAraeosoma owstoniAraeosoma parviungulatumAraeosoma paucispinumAraeosoma splendensAraeosoma tessellatumAraeosoma thetidisAraeosoma violaceumAsthenosomaAsthenosoma dilatatumAsthenosoma ijimaiAsthenosoma intermediumAsthenosoma marisrubisAsthenosoma marisrubriAsthenosoma periculosumAsthenosoma variumCalveriosoma gracileCalveriosoma hystrixEchinothuriidaePelanechinusPhormosoma placenta
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Echinothurioida
The Echinothurioida are an order of sea urchins in the class Echinoidea. Echinothurioids are distinguished from other sea urchins by the combination of a flexible test and hollow spines. The membrane around the mouth contains only simple plates, in contrast to the more complex mouth parts of their close relatives, the Diadematoida. They are nearly all deepsea dwellers.
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The Echinothurioida are an ord ...... e nearly all deepsea dwellers.
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kingdom
order (taxonomy)
phylum
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25,499,046
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classis
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Q16551177
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Q22285053
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image caption
Fire urchin
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name
Echinothurioida
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ordo
Echinothurioida
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ordo authority
Claus, 1880
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phylum
regnum
Animalia
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subclassis
subdivision
See text
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Families
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superordo
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hypernym
comment
The Echinothurioida are an ord ...... e nearly all deepsea dwellers.
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label
Echinothurioida
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name
Echinothurioida
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