34 
63. CYRENA TRIGONA, Deshayes. 
Coquilles foss. Bassin de Paris 1824. 
Disy. (Ex auctore.) 
64. CYRENA DESHAYESII, Hébert. 
1 
Bull. Soc. geol. de France 1848. 
Sernier. (Ex Deshayes Collection.) 
65. CYRENA ACUTANGULARIS, Deshayes. 
Invert. Bassin de Paris 1857. 
Chalons-sur-vesles. (Ex auctore.) 
