4 
Avicula. 
Pars 2 
calvimontaiia Deshayes 
1864 Avicula calvimontana. Deshayes, (1) t. II. p. 46. 
1887 Aviculoperna calvimontensis. Cossmann, (2) II. p. 169. 
1893 Avicula calvimontensis. Vincent, (59) p. 69. 
Mitteleocan. Becken von Paris, Belgien. 
chilensis Philippi 
1887 Avicula chilensis. Philippi, (13) p. 206. 
Lebu (Chile). 
cosmeta Cossmann 
1887 Aviculoperna cosmeta. Cossmann (2) II. p. 168. 
Eocan. Becken von Paris. 
Crossei Mayer-Eymar 
1864 Avicula Crossei. Mayer-Eymar, (11) p. 40. 
Mittelmiocan? Illheo de Baixo bei Porto 
Santo. 
Del rance i Deshayes 
1816 Avicula fragilis. Defrance. Dict. des sc. nat. t. III. suppi, 
p. 141. 
1864 Avicula Defrancei. Deshayes, (1) t. II. p. 46. 
1887 Avicula Defrancei. Cossmann, (2) p. 168. 
Obereocan. Becken von Paris, 
dertocrassa Sacco 
1898 Avicula dertocrassa. Sacco-Bellardi, (10) part. XXV. p. 24. 
Obermiocan. Stazzano (Italien. 
Dixoni Deshayes 
1864 Avicula Dixoni. Deshayes. (1) t. II. p. 44. 
1887 Aviculoperna Dixoni. Cossmann, (2) t. II. p. 169. 
Untereocan. Becken von Paris. 
«caudata Sandberger 
1863 Avicula ecaudata. 
Mitteloligocan. 
fragilis Deshayes 
1836 Avicula fragilis. 
1843 Avicula fragilis. 
1848 Avicula fragilis. 
1850 Avicula fragilis. 
1855 Avicula fragilis. 
1864 Avicula fragilis. 
1881 Avicula fragilis. 
1887 Avicula fragilis. 
1904 Avicula fragilis. 
Mitteleocan. 
herouvalensis Deshayes 
1864 Avicula herouvalensis. 
1887 Avicula herouvalensis. 
Untereocan. 
hirundo 
1827 
Sandberger, (9) p. 366. 
Mainzer Tertiarbecken. 
Deshayes-Lamarck, (3) p. 103. 
Nyst, (4) p. 278 (non Defrance). 
Bronn, (6) t. I. p. 139. 
D’Orbigny, (5) II. 425. 
Pictet, (25) t. III. p. 602. 
Deshayes, (1) t. II. p. 44. 
G-iimbel, (26) I. Bd. p. 742. 
Cossmann, (2) II. p. 167. 
Cossmann, (7) p. 166. 
Pariser Becken, Loire-In- 
ferieur, Bretagne, Laeken 
(Belgien). 
Deshayes, (1) t. II. p. 42. 
Cossmann, (2) II. p. 166. 
Becken von Paris. 
Linne (latu senso) var. Companyoi Fontannes (an distinguenda) 
^„,7 l r* ~ i i m : at , ^ A 
Avicula media. Bonelli, Cat. museo zool. Torino. No 4396 
u. 4397. 
1842 Avicula 
1847 Avicula 
1852 Avicula 
1877 Avicula 
(B. C. G-. 
media. Sismonda, Syn. meth. Ia ed. p. 21. 
media. Sismonda, ebenda, 2a ed. p. 14. 
submedia. D'Orbigny (non Sowerby), (5) III. p. 
submedia. Seguenza, Studi str. form. pl. It 
I., VIII.) p. 392. 
185. 
mer. 
