Echinozoa

Echinozoa

Echinozoa

Subphylum of marine invertebrates

Echinozoa is a subphylum of free-living echinoderms in which the body is or originally was a modified globe with meridional symmetry. Echinozoans lack arms, brachioles, or other appendages, and do not at any time exhibit pinnate structure.[1] Their two extant classes are the sea urchins and the sea cucumbers.

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See also

References

  1. [1]
    "Answers - the Most Trusted Place for Answering Life's Questions".


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