Type
Zone
Age range
246.7–244.3 Ma
Middle Triassic
Anisian
Early Triassic
Olenekian
Paragondolella excelsa
Neogondolella? regalis
Chiosella timorensis
246.8246.7246.6246.5246.4246.3246.2246.1246.0245.9245.8245.7245.6245.5245.4245.3245.2245.1245.0244.9244.8244.7244.6244.5244.4244.3244.2