Acmella nana
| Acmella nana | |
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| Shells of Acmella nana on a 12-point-font print. | |
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| Species: | A. nana |
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| Acmella nana Vermeulen, Liew & Schilthuizen, 2015 | |
Acmella nana is a species of land snail discovered from Borneo, Malaysia, in 2015. It was described by Jaap J. Vermeulen of the JK Art and Science in Leiden, Thor-Seng Liew of the Institute for Tropical Biology and Conservation at the Universiti Malaysia Sabah, and Menno Schilthuizen of the Naturalis Biodiversity Center in Leiden. It was named nana (Latin for "dwarf") due to its minute size. Measuring only 0.7 millimeters in size, it is the smallest known land snail as of 2015. It surpasses the earlier record attributed to Angustopila dominikae, which is 0.86 mm in size, described from China in September 2015.