Hettangian

Official stratigraphy: Jurassic / Lower Jurassic / Hettangian

Related names

Asterocarpus heterophyllus Sternb. ex Göpp. 1836

Umkomasia franconica M.Kirchn. et A.Müll. 1992

Pteruchus septentrionalis M.Kirchn. et A.Müll. 1992