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Pygocephalus gracilis
From the collection of Yale Peabody Museum. Free to download, adapt and use — no permission needed.
About this work
Geological context: Middle Pennsylvanian, Carbondale Fm, Francis Creek Sh Mbr. Collection locality: Mazon Creek, Grundy County, Illinois, USA. Collected by Samuel S. Strong. IP number 19974; lot count 1; accn=YPM.01185.
Yale Peabody Museum’s own descriptionSubjects
Credit linePygocephalus gracilis (YPM IP 019974). Photograph by Adira Ahmad-Rizal. Yale Peabody Museum, Invertebrate Paleontology. CC0.