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Article
Solenopora
Article By:
Wray, John L. Marathon Oil Company, Littleton, Colorado.
Last reviewed:January 2020
DOI:https://doi.org/10.1036/1097-8542.634400
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A genus of extinct calcareous red algae (Rhodophyta). The extinct algal members of the genus Solenopora (family Solenoporaceae, order Corallinales, division Rhodophyta) are characterized by encrusting, rounded, nodular growth forms ranging in size from several millimeters to a few centimeters. Typically, the fossilized forms are distinguished by pink and white banding (see illustration). Internally, the Solenopora alga consists of calcified rows or filaments of cells, commonly polygonal in shape, ranging from 20 to 100 micrometers in diameter. Although the cellular tissue is similar to modern coralline algae, the cells in Solenopora are generally larger and are not differentiated into more than one kind of cellular arrangement. See also: Algae; Corallinales; Extinction (biology); Fossil; Rhodophyceae
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