Répétitions horizontales

K. S. g. (jîonioccras . Hall.

occidentale ....

. Hall.

Contrées de la grande zone septentrionale d’Amérique.

situ

Nr.

ni

Médina

Clinton

Niagara

Onondaga

Helderb. sup.

Auteurs

1860. Geol. Rep. Wisc.

1860. Geol. Rep. Wisc.

1868. 20"* Ann. Rep. of the Reg.

1868. 20* Ann. Rep. of the Reg.

1862. Hall. Geol. Rep. Wisc.

1868. Hall. 20* Ann. Rep. Reg.

1868. Hall. 20* Ann. Rep. Reg,

1861. New. Pal. Foss.

1860. Rep. of Progr. Wisc.

1868. 20* Ann. Rep. Reg.

1852. D. Owen. Rep. Wisc. Jow. Minn.

1861. Rep. of Progr. Wisc.

1861. M’Chesney New. Pal. Foss.

1852. D. Owen. Rep. Wisc. Jow. Minn.

1861. M’Chesney New. Pal. Foss.

1852. D. Owen. Rep. Wisc. Jow. Minn.

1861. M’Chesney New. Pal. Foss.

1860. Geol. Rep. Wisc.

1852. D. Owen. Rep. Wisc. Jow. Minn.

1868. 20* Ann. Rep. Reg.

1861. Rep. of Progr. Wisc.

1862. Geol. Rep. Wisc.

1852. D. Owen. Rep. Wisc. Jow. Minn.

1861. M’Chesney New. Pal. Foss.

1852. D. Owen. Rep. Wisc. Jow. Minn.

1852. D. Owen. Rep. Wisc. Jow. Minn.

1861. Rep. of Progr. Wisc.

-|+ • lütica (D. Owen)

■ • I flidi» -Riur (Hall.)

Médina

Contrées de la grande zone septentrionale d’Amérique

Famille (les IVantilides.

Faunes siluriennes

Auteurs

Illinois

CO

ol

CJ | co ,

ïül'

Tren

B au

CK