Home
Help
Print...
TaxNo: 5175Subfamily Shouchangoceratinae
Suborder: Tornoceratina
Superfamily: Pseudohaloritoidea
Family: Pseudohaloritidae
Subfamily: Shouchangoceratinae
Qualifier: fs
Author: Zhao & Zheng 1977,p.225
Lower Boundary: RUS lower--upper Zhigulian, 305.9 million years
Upper Boundary: Permian--Triassic (Induan base), 251 million years