Gazelle : The Palestinian Biological Bulletin (ISSN 0178 – 6288) . Number 120, December 2014, pp. 30-53. | Page 15

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Drawing of the shell of Sphincterochila boissieri (Charpentier, 1847).
https://en.wikipedia.org/wiki/Sphincterochila_boissieri#mediaviewer/File:Sphinctero
chila_boissieri_shell.jpg & http://animals-of-palestine.webs.com/terrestrialgastropods

Gazelle : The Palestinian Biological Bulletin – Number 120 – December 2014