Phelopteria linguaeformis

Geological context: Late Cretaceous, Fox Hills Fm, Timber Lake Mbr. Collection locality: float and in place, includes many concs., from Sphenodiscus Layer up through CAZ, road cut and adjacent outcrops along W side of SD Rt. 63, from High Elk Hill to point .5 mi N, & between 5.5 and 6 mi S of intersection with US Rt. 212, High Elk Hill, 6 mi SSW of Eagle Butte village, Ziebach County, South Dakota, USA. Collected by Karl M. Waage, 1940/1941. IP number 312698; lot count 1; taphonomy=concretion; accn=IPA.07048; associatedwith=on same slab: IP.312698,IP.312705,IP.312700,IP.312722,IP.312720,IP.312719,IP.312718,IP.312717,IP.312716,IP.312715,IP.312714,IP.312713,IP.312712,IP.312711,IP.312710,IP.312709,IP.312706,IP.312699,IP.312701,IP.312702,IP.312703,IP.312704,IP.312707,IP.312708,IP.312721.