ETATS-UNIS ![](resources/USA.jpg)
PLIENSBACHIEN :
-FUCINICERAS cf.intumescens ![](resources/FUCINICERAS+cf.intumescens++20mm+Pliensbachien+Oregon+VV.jpg)
ALBIEN :
-CRAGINITES serratescens ![](resources/CRAGINITES+serratescens+124mm+Albien+Etats-Unis+VV.jpg)
-ELOBICERAS arietiforme ![](resources/ELOBICERAS+arietiforme+130mm+Albien+Etats-Unis+VV.jpg)
-ENGONOCERAS sp ![](resources/ENGONOCERAS+sp+73mm+Albien+Etats-Unis+VV.jpg)
-EOPACHYDISCUS marcianus ![](resources/EOPACHYDISCUS+marcianus+145mm+Albien+Etats-Unis+VV.jpg)
-IDIOHAMITES fremonte ![](resources/IDIOHAMITES+fremonte+83mm+Albien+Etats-Unis+VV.jpg)
-MARIELLA brazoensis![](resources/MARIELLA+brazoensis+18mm+Albien+Etats-Unis+VV.jpg)
-MORTONICERAS drakei
![](resources/MORTONICERAS+drakei+70+mm+Albien+Etats-Unis+VV.jpg)
M.inflatum
M.equidistans![](resources/MORTONICERAS+equidistans+170mm+Albien+Texas+VV.JPG)
M.wintoni
![](resources/MORTONICERAS+wintoni+130+mm+Albien+Etats-Unis+VV.jpg)
M.sp
![](resources/MORTONICERAS+sp+180mm+Albien+Texas+VV.JPG)
-OXYTROPIDOCERAS supani
O. sp ![](resources/OXYTROPIDOCERAS+sp+118mm+Albien+Etats-Unis+VV.JPG)
-PROHYSTEROCERAS burckhardti ![](resources/PROHYSTEROCERAS+burckhardti+34mm+Albien+Etats-Unis+VV.jpg)
CENOMANIEN :
-ALLOCRIOCERAS sp ![](resources/ALLOCRIOCERAS+sp+26mm+C$C3$A9nomanie+Texas+VV.jpg)
-ANISOCERAS armatum ![](resources/ANISOCERAS+armatum+107mm+C$C3$A9nomanien+Etats-Unis+VV.jpg)
-CONLINOCERAS tarrantense
-METENGONOCERAS dumbli ![](resources/METENGONOCERAS+dumbli+90mm+C$C3$A9nomanien+Texas+VV+.jpg)
-METOICOCERAS geslinianum ![](resources/Metoicoceras+geslinianum+57mm+C$C3$A9nomanien+Etats-Unis+VV.JPG)
-WORTHOCERAS vermiculus ![](resources/WORTHOCERAS+vermiculus+17mm+C$C3$A9nomanien+Texas+VV.jpg)
TURONIEN :
-PRIONOCYCLUS wyomingensis ![](resources/PRIONOCYCLUS+wyomingensis+48mm+Turonien+S.Dakota+VV.jpg)
-SCAPHITES ferronensis
S.carllensis ![](resources/SCAPHITES+carlilensis+34mm+Turonien+Etats-Unis+VV.jpg)
S.warreni
S.whitfieldi ![](resources/SCAPHITES+whitfieldi+37mm+Turonien+Etats-Unis+VV.jpg)
SANTONIEN :
-CLIOSCAPHITES vermiformis
C.montanensis ![](resources/CLIOSCAPHITES+montanensis+62mm+Santonien+Etats-Unis+VV.jpg)
CAMPANIEN :
-BACULITES compressus ![](resources/BACCULITES+compressus++240mm+Maastrichtien+Etats-Unis+VV.JPG)
-DIDYMOCERAS sp ![](resources/DIDYMOCERAS+sp+70mm+Campanien+Etats-Unis+VV.jpg)
-HOPLOSCAPHITES landesi ![](resources/HOPLOSCAPHITES+landesi+50mm+Campanien+Etats-Unis+VV.jpg)
-MENUITES sp ![](resources/MENUITES+sp+27mm+Campanien+Etats-Unis+VV.jpg)
-PLACENTICERAS intercalare
P.meeki ![](resources/PLACENTICERAS+meeki+127mm+Campanien+USA+VV.JPG)
-TRACHYSCAPHITES spiniger ![](resources/TRACHYSCAPHITES+spiniger+75mm+Campanien+Etats-Unis+VV.jpg)
MAASTRICHTIEN :
-DISCOSCAPHITES conradi ![](resources/DISCOSCAPHITES+conradi+70mm+Maastrichtien+Dakota+VV.jpg)
D.gulosus(m)
(M)![](resources/DISCOSCAPHITES+gulosus+77mm+Maastrichtien+Etats-Unis+VV.jpg)
D.sp![](resources/DISCOSCAPHITES+sp+47mm+Maastrichtien+Etats-Unis+VV.jpg)
-BACULITES grandis
B. sp
![](resources/BACULITES+sp+105mm+Maastrichtien+Etats-Unis+VV.jpg)
-HOPLOSCAPHITES comprimus (m)
(M) ![](resources/HOPLOSCAPHITES+comprimus+80mm+Maastrichtien+Dakota+Etats-Unis+VV.JPG)
H.nicoletti (µ)
(M)![](resources/HOPLOSCAPHITES+nicolletti+65mm+M+Maastrichtien+Etats-Unis+VV.jpg)
H.birkelundi
H.cheyennensis ![](resources/SCAPHITES+sp+73mm+Maastrichtien+Etats-Unis+VV.jpg)
H.sp
(M)![](resources/HOPLOSCAPHITES++sp+99mm+Maastrichtien+Etats-Unis+VV.jpg)
-JELETZKYTES nebrascensis (M)![](resources/JELETZKYTES+nebrascensis+114mm+Maastrichtien++Dakota+VV+.jpg)
(m)
(m)
(m)![](resources/JELETZKYTES+nebrascensis+71mm+$28m$29+Maaastrichtien+Etats-Unis+VV.jpg)
J.spedeni (m)
(M)![](resources/HOPLOSCAPHITES+spedeni+$28M$29+82mm+Maastrichtien+Etats-Unis+VV.jpg)
-RHAEBOCERAS halli
R.subglobosum ![](resources/RHAEBOCERAS+subglobosum+84mm+Maastrichtien+VV.jpg)
R.sp juvénile![](resources/RHAEBOCERAS+juv$C3$A9nile+35mm+Maastrichtien+Etats-Unis+VV.jpg)
-SCAPHITES nodosus (m)
(m)![](resources/SCAPHITES+nodosus+79mm+Maastrichtien+Etats-Unis+VV.jpg)
(M)
S.sp(m)
(m)
-SPHENODISCUS lenticularis