Teneopteron mirabile
From the collection of Yale Peabody Museum. Free to download, adapt and use — no permission needed.
Type status: PL-hypotype. Geological context: Middle Pennsylvanian, Carbondale Fm, Francis Creek Sh Mbr. Collection locality: about 150 ft E of mid point of section line rd (between secs. 28 & 29), in strip mine about 3 mi NNE of Braidwood, Will County, Illinois, USA. Collected by George Langford. . Coll: Langford, G. LatLon: 41.311, -88.208; IP number 221103; lot count 1; original nature=part/counterpart; institutional specimen number 78460a; institutional specimen number 78460b; institutional specimen number 78461a; institutional specimen number 78461b; institutional specimen number 78462a; institutional specimen number 78462b; institutional specimen number 78463; institutional specimen number 78487a; institutional specimen number 78488b; institutional specimen number PE967; accn=YPM.10459.
Yale Peabody Museum’s own description