Urostyla viridis as illustrated in Shen & Zhang (1990) Biomonitoring Techniques Using Freshwater Microbiota, China Architecture and Building Press. This image was taken with permission from Modern Biomonitoring Techniques Using Freshwater Microbiota written by Shen Yunfen, Zhang Zongshe and colleagues, and published by China Architecture and Building Press in 1990. Image copyright: China Architecture and Building Press, used under license to MBL (micro*scope).
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From the collection
Protozoan biomonitors in China
|Description of Urostyla viridis: Raphidiophrys is a member of the centrohelid heliozoa with flat tangential siliceous scales. The scales have a hollow marginal rim, and consist of two parallel plates connected by internal radial septae. Raphidiophrys lacks the projecting radial spicules seen in other genera, and is often seen in clusters or colonies. Six species are known, from freshwaters only, and it is distributed world-wide. Genus reported at Mount Buffalo, Victoria. |