Two Specimens of Antiquatonia Portlockiana from the Pine Creek Limestone of Central Armstrong County
2021-08-18
Antiquatonia portlockiana was first described by Norwood and Pratten in 1855 as Producti portlockianus. Much later in 1976, the species was rearranged as Antiquatonia portlockiana by Douglas C. Brew and Stanley S. Beus. Specimens from Armstrong County Brachiopods have been a less-than-common find at the Pine Creek locality. Gastropods, Cephalopods,Read More →