ammonites

Palfy Northwest European Ammonite Chrons

 Interval Maximum correlate
Parkinsoni Late/Upper Bajocian
Garantiana Late/Upper Bajocian
Subfurcatum Late/Upper Bajocian
Humphresianum Early/Lower Bajocian
Sauzei Early/Lower Bajocian
Laeviuscula Early/Lower Bajocian
Discites Early/Lower Bajocian
Concavum Aalenian
Murchisonae Aalenian
Opalinum Aalenian
Levesquei Late/Upper Toarcian
Thouarsense Late/Upper Toarcian
Variabilis Middle Toarcian
Bifrons Middle Toarcian
Falciferum Early/Lower Toarcian
Tenuicostatum Early/Lower Toarcian
Spinatum Late/Upper Pliensbachian
Margaritatus Late/Upper Pliensbachian
Davoei Early/Lower Pliensbachian
Ibex Early/Lower Pliensbachian
Jamesoni Early/Lower Pliensbachian
Raricostatum Late/Upper Sinemurian
Oxynotum Late/Upper Sinemurian
Obtusum Late/Upper Sinemurian
Turneri Early/Lower Sinemurian
Semicostatum Early/Lower Sinemurian
Bucklandi Early/Lower Sinemurian
Angulata Hettangian
Liasicus Hettangian
Planorbis Hettangian

Authorizer: J. Alroy   Enterer: J. Alroy

Continent: Europe   Rank of each interval: chron/zone

Basis of scale: paleontological  

Reference: J. Palfy et al. 2000

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