Contrées de la grande zone septentrionale d'Europe. 
| Faunes siluriennes 
LI. HI SE : 
| AD ES I IT de TIT 
\r. | Angleterre, Ecosse,| Synon. | £ | 3 | 2 | , | 5182) _ | 2 Auteurs 
| He he NElSRRS RE 
| Irlande PAM | SE) SERIE) & 
= + = rs ul œ 
D=) ce 5 ab) S |2E = È 
fn | el 
| | | | 
6. S.g. Endoceras Hall. | 
| | | 
1 Eoum . Wyatt.-Edgel. | Ne | | 1868. Bigsby. Thes. silur. 
2 vaginatum ? . . Schlot, PAU RE | 1851. Salt. Quart. Journ. VII. 
1. Répétition horizontale. | 1 1 | 
| 
2. Phragmoceras Brod. | | 
1 contractum . Salt, | | A Nec | 1868. Bigsby. Thes. silur. 
: | | 
2 nautileum . . Sow. [+ | + | 14839. Murch. Sil. Syst. 
. | | | 
3 pyriforme . . SOW. | Sa Ole | 1839. Murch. Sil. Syst. 
4 ventricosum . SOw + + | | 1839. Murch. Sil. Syst. 
CENTS | 
8. Tretoceras . . Salt. | | | 
1 bisiphonatum . . Sow, | Orthoc. + E. 1859. Salt. Murch. Siluria. | 
2 semipartitum ? . SOW. Orthoc. ATEN + | 1859. Salt. Murch. Siluria. 
| ox I | | 
| = — | | 
| 9. Trochoceras Barr. Hall. | | 
| | | | 
il giganteum . . SOWw. Lit. ++] 1865. Lyell. Elem. of Geol. 
| 1 1 
l Il | 
La e 
Famille des Ascocératides. 
| | | | | E 
| 10. Ascoceras . . Barr. | | | | 
| | | | 
1 |  Barrandei . . Salt. ls . sir | ue | . «|. . | + |. . 11856. Quart. Journ. Noy. 
| | | | | | re | 
| | | ms | I EE) | Le 
| Famille des Nautilides. | 
( | 
= = — EE — ssh = 
| LE Rene nee 
HA | Norwéz Synon. | I | Tr | III Auteurs 
| EE ———  — 
| 5 213141516178 
| | | | 
| 1. Cyrtoceras . Goldf. | | 
| | 
1 | arcualum . Sow. | Phragm. |. . + | 1865. Kjér. Veivis. i Christ. | 
2 | macrostomum . Hall || EL SMANÈLE NE | 1865. Kjér. Veivis. i Christ, 
LA EAST 0e 1 RE PR RE LI AE SE re . . | 1865. Kjér. Veivis. i Christ. | 
| 2. Répétitions horizontales. 1 tan 1 | 
| | | ne —— —— — 
| | ?. Lituites . Breyn. | | 
| 1 |  arcuatus . . Loss. | + |... | 1860. de Lit. diss. inaug. 
2 |  cornu-arietis . . Sow. | | | + | + | È | 1865. Kjér. Veivis. i Christ. 
3 |  perfectus . Wahl. |. .| + | + |. | 1865. Kjér. Veivis. i Christ. 
| | | | | 
| | | | 
