J.J.I. Alcide de Paladilhe (1814–1876) was a French malacologist. He wrote (1866-1869) Nouvelles miscellanées malacologiques par M. le Docteur Paladilhe Paris :Chez Savy,(1866-1869) online here https://www.biodiversitylibrary.org/item/50364 at Biodiversity Heritage Library
Paladilhe's collection is in the Natural History Museum of Geneva.
Haasiana Newsletter number 6 2012 http://nnhc.huji.ac.il/uploaded/Haasiana%206%20--2012%20colour.pdf