Species: Unknown Bivalve
County: Jack
Site: Jacksboro
Group: Cisco
Formation: GrahamThrifty
Member: Finnis Shale
Period: Pennsylvanian
Epoch: U
Stage: Virgilian
Class: Bivalvia
Order: Pterioida
Superfamily: None
Family: None
Genus: Cleiothyridina
State: Texas
Credit: tmc
ID: 551