An excellent specimen of Trepospira sphaerulata was recovered in late December 2021. It is a much better example of this species of Paleozoic gastropod, so I am replacing the content of this article with photos of it. New images should help future researchers search for an excellent example of thisRead 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 →

Recently I was able to obtain two nice examples of Lepidodendron from the Pottsville Formation in Alabama. This formation is two formations away from the Glenshaw, having the Allegheny Formation between them. Both specimens are different species, however, species for these could very well just mean they come from aRead More →

Antiquatonia portlockiana

Norwood and Pratten first described Antiquatonia portlockiana in 1855 as Producti portlockianus. In 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, andRead More →

This tiny late Paleozoic gastropod is most likely identified as Strobeus brevis. Measuring somewhere between four and five millimeters, this snail would be difficult to spot if you were not looking for it. This makes identifying it slightly more difficult, with small morphology to compare. Its spire does have aRead More →