Species: Primabrachial Arm
County: Jack
Site: Jacksboro
Group: Cisco
Formation: GrahamThrifty
Member: Finnis Shale
Period: Pennsylvanian
Epoch: U
Stage: Virgilian
Class: Crinoidea
Order: Parts
Superfamily: None
Family: None
Genus: None
State: Texas
Credit: tmc
ID: 528
MMM ID: None