Traits name details
original description
Lea I. (1858). Descriptions of a new <i>Helix</i> and two new <i>Planorbis</i>. <em>Proceedings of the Academy of Natural Sciences of Philadelphia.</em> 10: 41 [after 30 March; before 19 April]., available online at https://biodiversitylibrary.org/page/47535581 page(s): 41 [details]
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