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 794498; lot count 1; taphonomy=concretion; accn=IPA.07048; associatedwith=on same slab: IP.794498,IP.794829,IP.794830,IP.794831,IP.794832,IP.794833,IP.794834,IP.794823,IP.794822,IP.794824,IP.794825,IP.794826,IP.794814,IP.794815,IP.794816,IP.794817,IP.794818,IP.794819,IP.794820,IP.794827,IP.794828,IP.794821.