Metopus rostratus as illustrated in Shen & Zhang (1990) Biomonitoring Techniques Using Freshwater Microbiota, China Architecture and Building Press. Some would assign this to the genus Brachonella. 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 Metopus rostratus: Cells oval, anteriorly broad and posteriorly pointed, 18-30 microns long and 8-11 microns wide. Four flagella of unequal length; 2 longer and 2 shorter, and inserted into a narrow, ventral furrow. Nucleus nearly in the centre. Contractile vacuole in the anterior end. |