Spatial Distribution of Phoronopsis viridis Hilton

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Science  01 May 1959:
Vol. 129, Issue 3357, pp. 1221
DOI: 10.1126/science.129.3357.1221


Individuals of the species Phoronopsis viridis Hilton exhibit an even distribution within their colonies. The distance between nearest neighbors is probably related to the space required for the operation of the lophophore. Distributions of other marine invertebrates are discussed briefly, together with the paleoecological implications of such knowledge.