ISSN:
1476-4687
Source:
Nature Archives 1869 - 2009
Topics:
Biology
,
Chemistry and Pharmacology
,
Medicine
,
Natural Sciences in General
,
Physics
Notes:
[Auszug] Class Concentricycloidea nov. Diagnosis: A free-living echinoderm characterized by a weakly inflated disk-shaped body, without mouth, anus or radiating arms. Its water vascular system, including tube feet, and supporting skeletal structures are arranged concentrically on the ventral surface. The ...
Type of Medium:
Electronic Resource
URL:
http://dx.doi.org/10.1038/321862a0
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