The Pennsylvanian is a subperiod of the Carboniferous period dating between 299 and 359 million years ago. It is also sometimes referred to as the late or upper Carboniferous.
An A-Mazon Find!
(Split Nodule with Herbivore Coprolite and Fern)
(Split Nodule with Herbivore Coprolite and Fern)
Milli-pooed?
(Split Nodule with Herbivore Coprolite)
(Split Nodule with Herbivore Coprolite)
Simply A Mazon!
(Carnivore Coprolite in Siderite Nodule)
(Carnivore Coprolite in Siderite Nodule)
Poop on the Half Shell
(Carnivore Coprolite in Siderite Nodule)
(Carnivore Coprolite in Siderite Nodule)