Where: Tillman County, Oklahoma (34.2° N, 98.8° W: paleocoordinates 2.5° N, 28.2° W)

• coordinate stated in text

• small collection-level geographic resolution

When: Hennessey Formation, Kungurian (279.3 - 272.3 Ma)

• "lower third" of a 9 foot bed

•"when the known lower boundary of the Arroyo [Formation] is extrapolated northward... it passes through the South Grandfield site."

•the Arroyo is within the Clear Fork Group, all of which is Kungurian (see discussion of Romer 1928 collections)

• bed-level stratigraphic resolution

Environment/lithology: fluvial; green, red shale and poorly lithified, red sandstone

Size class: macrofossils

Preservation: concretion

Collected by O. Gilpin in 1966; reposited in the FMNH

Collection methods: surface (float), surface (in situ), mechanical,

• "Bone and bone-containing nodules may be collected from the surface... An effort to excavate for fossils was not productive... about forty pounds of red shale... was washed [and] five scraps of bone were recovered, none identifiable."

•

•UCLA VP = Vertebrate paleontology collections of the University of California, Los Angeles

Primary reference: E. Daly. 1969. A new procolophonoid reptile from the Lower Permian of Oklahoma. Journal of Paleontology 43(3):676-687 [J. Mueller/T. Liebrecht/M. Carrano]more details

Purpose of describing collection: general faunal/floral analysis

PaleoDB collection 67945: authorized by John Alroy, entered by John Alroy on 18.12.2006, edited by Torsten Liebrecht and Emma Dunne

Creative Commons license: CC BY (attribution)