Type
Zone
Age range
231.4–229.5 Ma
Late Triassic
Carnian
Metapolygnathus primitius
Metapolygnathus nodosus
Metapolygnathus carpathicus
231.4231.3231.2231.1231.0230.9230.8230.7230.6230.5230.4230.3230.2230.1230.0229.9229.8229.7229.6229.5