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Problematica
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 19942; lot count 1; accn=YPM.00078.
Yale Peabody Museum’s own descriptionSubjects
Credit lineProblematica (YPM IP 019942). Photograph by Jessica Utrup. Yale Peabody Museum, Invertebrate Paleontology. CC0.
