Type
Age
Age range
251.6–249.9 Ma
Early Triassic
Olenekian
Induan
Smithian
Dienerian
Griesbachian
251.6251.5251.4251.3251.2251.1251.0250.9250.8250.7250.6250.5250.4250.3250.2250.1250.0249.9