Note: 6 specimens, found on the banks of the Saône in Lyon, 2 now missing. Collection Récamier. See Bibliothèque nationale de France:
1031.01 https://catalogue.bnf.fr/ark:/12148/cb45873679n; 1031.02 https://catalogue.bnf.fr/ark:/12148/cb45873680v; 1031.03
https://catalogue.bnf.fr/ark:/12148/cb458736816; 1031.04 https://catalogue.bnf.fr/ark:/12148/cb45873682j