Mazon Monday #310: Cyclus obesus This is Mazon Monday post #310. What’s your favorite Mazon Creek fossil? Tell us at email:esconi.info@gmail.com. Cyclus obesus is one of four species of Cycloidea found in Mazon Creek. It was described in the paper "Mazon Creek Cycloidea" by Frederick Schram. The paper was published in the Journal of Paleontology in 1997. In that paper, Schram established three new species of Cycloidea...

Mazon Monday #310: Cyclus obesus #fossils #paleontology #MazonCreek #MazonMonday #cyclid #Carboniferous #pennsylvanian #cycloidea