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 312216; lot count 1; taphonomy=concretion; accn=IPA.07048; associatedwith=on same slab: IP.312216,IP.312226,IP.312227,IP.312231,IP.312232,IP.312244,IP.312223,IP.312217,IP.312218,IP.312219,IP.312220,IP.312221,IP.312222,IP.312224,IP.312225,IP.312228,IP.312229,IP.312230,IP.312233,IP.312234,IP.312235,IP.312236,IP.312237,IP.312238,IP.312239,IP.312240,IP.312241,IP.312242,IP.312243,IP.312245,IP.312246,IP.312247,IP.312248,IP.312249,IP.312250.