Species: Phymosoma Sp.
County: Williamson
Site: _Williamson 1 (Jonah)
Group: Austin
Formation: Austin Chalk
Member: Jonah
Period: Cretaceous
Epoch: Upper K
Stage: Santonian Coniacian
Class: Echinoidea
Order: Phymosomatoida
Superfamily: None
Family: Phymosomatidae
Genus: Phymosoma
State: Texas
Credit: None
ID: 724