| Margarya bicostata | |
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| Apertural view of the shell of Margarya bicostata. Scale bar is 1 cm. | |
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| Abapertural view of the shell of Margarya bicostata. Scale bar is 1 cm. | |
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| Species: | M. bicostata |
| Binomial name | |
| Margarya bicostata Tchang & Tsi, 1949 | |
Margarya bicostata is a species of large operculate freshwater snail, an aquatic gastropod mollusc in the family Viviparidae, the river snails.
The distribution of Margarya bicostata includes Fuxian Lake in Yunnan Province, China. [1] Former distribution also included Dian Lake. [1]