Home
Help
Print...
TaxNo: 3666Pseudotirolites evolutus
Suborder: Paraceltitina
Superfamily: Xenodiscoidea
Family: Pseudotirolitidae
Genus: Pseudotirolites
Species: evolutus
Qualifier: ss
Author: Zhao et al. 1978,p.110
Lower Boundary: Paratirol./Shevyrev.--Pseudosteph./Tap., 253 million years
Upper Boundary: Pseudosteph./Tap.--Pseudotir./Pleuron., 252.5 million years