Type
Zone
Age range
221.4–217.4 Ma
Late Triassic
Norian
Cypriodella multidentata
Epigondolella triangularis
Epigondolella quadrata
221.4221.2221.0220.8220.6220.4220.2220.0219.8219.6219.4219.2219.0218.8218.6218.4218.2218.0217.8217.6217.4