Species: Hemiaster Texanus
County: Williamson
Site: _Williamson 1 (Jonah)
Group: Austin
Formation: Austin Chalk
Member: Jonah
Period: Cretaceous
Epoch: Upper K
Stage: Santonian Coniacian
Class: Echinoidea
Order: Spatangoida
Superfamily: None
Family: Hemiasteridae
Genus: Hemiaster
State: Texas
Credit: tmc
ID: 774
MMM ID: None