Species: Tylostoma tumidum
County: Coryell
Site: _Coryell 1 (walnut)
Group: Fredericksburg
Formation: Comanche Peak
Member: None
Period: Cretaceous
Epoch: Lower K
Stage: Albian
Class: Gastropoda
Order: Littorinimorpha
Superfamily: Stromboidea
Family: Tylostomatidae
Genus: Tylorstoma
State: Texas
Credit: mmm
ID: 912
MMM ID: None