—— 25 
Lawanckius ( Systéme des 2 Znimaux sans 
vertébres Paris 1801.) 
Nautilus | — Nautilus 
Orbulites —N autilites poop 
"4 mmonites — 74 mmonites MUS dé: La Boc. 
Planulites — Planorbites | Md Hist. natur. 
Spirula —Ópirula 
Turrilites  —'Turrilites. Montf. 
Baculites | — Baculites 
Hippurites — OrthoceratitestLAMARCK  Z. 7. 
DBelemnites — Belemnites 
Moxrronrivs (Conchyologie Systematique 
Paris 1808 ). 
Nautilus. | — Nautilus. Lam. 
| «dngulithes. — Nautilus. Làm. 
Testa libera, univalvis , discoidea , complanato-spi- 
ralis , non umbilicata: anfractus ultimus spirae priores 
omnes obtegens: apertura triangularis, in medio spiram 
exciplens: septa integra, in medio siphone perforata. 
"d ganides. — Goniatites. D. 
Testa libera , univalvis, septata, discoidea , non um- 
bilicata : anfractus postremus «caeteros includens : 
apertura rotundata, dilatata, in medio spiram excipi- 
ens: septa uno siphone perforata , lobata. 
Canthropes — Nautilus. Lam.. 
Testa libera , univalvis , septata , discoidea , spiralis, 
valde complanata , uon umbilicata: anfractus ultimus 
priores: omnes includens: apertura rotundata: septa 
integra et juxta spiram simplici siphone perforata. 
