Parallelodon carbonarius (Cox 1857) is a bivalve with distribution from the older Pottsville Group to the younger Conemaugh Group in Ohio and Pennsylvania. This is the first specimen of this species that I have found in over three years of searching through the Brush Creek limestone and the Pine CreekRead More →
Cordaites and Calamites are two familiar plants in the Late Pennsylvanian fossil fauna. The two are similar as fossils, presenting as long horizontal grooves in rocks. Cordaites differs from Calamites as the latter has a termination of the groves with occasional perpendicular grooves coming from the presence of nodes. IRead More →
Norwood and Pratten first described Antiquatonia portlockiana in 1855 as Producti portlockianus. 1976 the species was rearranged as Antiquatonia portlockiana by Douglas C. Brew and Stanley S. Beus. Specimens of Antiquatonia Portlockiana from Armstrong County Brachiopods have been a less-than-common find at the Pine Creek locality. Gastropods, Cephalopods, and RugoseRead More →
The Paleozoic gastropod (snail) Shansiella carbonaria (Yin 1932) is a common find in the Pine Creek limestone locality I search in Armstrong County. Specimens are easy to come by, and each is unique and visually pleasing to examine. Norwood & Pratten described this medium-sized snail more than 160 years agoRead More →
UPDATE: This is not Strobeus, but Leptoptygma. Cleaning out the aperture makes this clear. April 2023. This tiny late Paleozoic gastropod is most likely identified as Strobeus brevis. Measuring somewhere between four and five millimeters, this snail would be challenging to spot if you were not looking for it. ThisRead More →