The class Mesotardigrada has only one species, Thermozodium esakii. The animal has six claws of equal length at each foot. This species was recorded in 1937 by Rahm from a hot spring near Nagasaki in Japan. Unfortunately, the locus typicus has been destroyed by an earthquake. The type material has been lost also.
Reference
http://www.itis.usda.gov
TSN: 155358
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