Salenioida
Sign in to saveThe Salenioida are an order of sea urchins.
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- Salenia (Salenia) petalifera MHNT Cénomanien La Heve Ste Adresse 76.jpg
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- taxon name
- Salenioida
- Commons category
- Salenioida
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- Description and characteristics
- Taxonomy
- References
The Salenioida are an order of sea urchins.
== Description and characteristics == They are distinguished from other sea urchins by the presence of a large plate on the upper surface, with the anus to one side. They have very large tubercles between the ambulacral plates, and much smaller ones on the ambulacral plates themselves.
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order
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extinction
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taxonomy
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Cretaceous
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Jurassic
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Echinodermata
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Triassic
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Echinoidea
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Cambrian
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Devonian
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Permian
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Silurian
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Ordovician
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Carboniferous
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