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Echinocyamidae

provided by wikipedia EN

Echinocyamidae is a family of sand dollars. They are found mostly off the coast of Britain and Ireland and the North Sea, with scattered populations in the tropics.[1][2][3]

Description

They are Laganiformes with:

  • simple radial internal buttresses along interambulacral margins;
  • periproct close to peristome and opening bounded by first and second paired post-basicoronal interambulacral plates
  • interambulacral zones terminating adaptively in one or two single small plates
  • basicoronal circlet small and unspecialized
  • no food grooves

References

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Echinocyamidae: Brief Summary

provided by wikipedia EN

Echinocyamidae is a family of sand dollars. They are found mostly off the coast of Britain and Ireland and the North Sea, with scattered populations in the tropics.

license
cc-by-sa-3.0
copyright
Wikipedia authors and editors
original
visit source
partner site
wikipedia EN