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Plectorthis?
From the collection of Yale Peabody Museum. Free to download, adapt and use — no permission needed.
About this work
Geological context: Middle Ordovician, Trenton Ls. Collection locality: near Helena Mine, Shullsburg, Lafayette County, Wisconsin, USA. Collected by Edgar R. Cumings, 1903-09-04. IP number 307272; lot count 10; taphonomy=silicified; accn=YPM.02726; associatedwith=original label stored with this specimen: IP.307248.
Yale Peabody Museum’s own descriptionSubjects
Credit linePlectorthis? (YPM IP 307272). Photograph by Jessica Utrup. Yale Peabody Museum, Invertebrate Paleontology. CC0.