southwest of Grandfield: Kungurian, Oklahoma
collected by O. Gilpin 1966

List of taxa
Where & when
Taphonomy & methods
Metadata & references
Taxonomic list
Chondrichthyes - Xenacanthiformes - Xenacanthidae
Xenacanthus sp. Beyrich 1848
Daly 1973
FMNH UF 1058 ("a number of teeth and a few pieces of cephalic spine")
Palaeoniscoidei indet.
Daly 1973 3 specimens
FMNH UF 1065-1067; "small"
Palaeonisciformes - Dicellopygidae
? Brachydegma caelatum Dunkle 1939
Daly 1973 2 elements
FMNH UF 1072
Palaeonisciformes - Rhabdolepidae
Grandfieldia callilepidota n. gen., n. sp. Daly 1973
Daly 1973 7 specimens
FMNH UF 1056 (paratype), 1059 (holotype), 1060 to 1064 (all are paratypes)
Amphibia - Temnospondyli - Micropholidae
Tersomius cf. texensis Case 1910
Daly 1973 80 specimens
FMNH UR 1324, 1329, 2273 to 2292, 2338 to 2381, 2410, 2411
Amphibia - Temnospondyli - Trimerorhachidae
Trimerorhachis sp. Cope 1878
Daly 1973 7 fragments
FMNH UR 2271, 2272, 2283 to 2285
Amphibia - Hapsidopareiidae
Hapsidopareion lepton n. gen., n. sp. Daly 1973
Daly 1973 9 specimens
FMNH UR 2303 (holotype), 2304 to 2310, 2413 (all are paratypes)
Amphibia - Diplocaulidae
Diplocaulus cf. magnicornis Cope 1882
Daly 1973 1 specimen
FMNH UR 2294
Peronedon primus Olson 1970
Haglund 1977 3 specimens
recombined as Diplocaulus primus
FMNH UR 2293 (originally identified as Diplocaulus cf. magnicornis by Daly, 1973); UCLA VP 3245, 3323
Reptilia - Acleistorhinidae
Acleistorhinus pteroticus n. gen., n. sp. Daly 1969
Daly 1973 1 individual
FMNH UR 1038 (type)
Reptilia - Captorhinidae
Captorhinus aguti (Cope 1882)
Daly 1973 20 specimens
FMNH UR 2316 to 2331, 2388 to 2391
Labidosaurus sp. Cope 1896
Daly 1973 1 fragment
FMNH UR 2392
Edaphosaurus sp. Cope 1882
Daly 1973 1 fragment
FMNH UR 2335
Dimetrodon loomisi Romer 1937
Daly 1973 3 specimens
FMNH UR 2332 to 2334
Micraroter erythrogeios n. gen., n. sp. Daly 1973
Daly 1973 4 specimens
FMNH UR 2311 (holotype), 2312 to 2314 (all are paratypes)
Euryodus dalyae n. sp. Carroll and Gaskill 1978
Carroll and Gaskill 1978
FM-UR 2296 (Holotype, skull with lower jaws)
Cardiocephalus sp. Broili 1904
Daly 1973 60 elements
FMNH 2299 to 2302 (vertebrae, "occurring singly and in short series")
Cardiocephalus cf. sternbergi Broili 1904
Daly 1973 3 specimens
FMNH UR 2296 to 2298, 2387
Lysorophus cf. tricarinatus Cope 1877
Daly 1973 1 individual
synonym of Brachydectes newberryi
FMNH UR 2295 (two series of vertebrae in a single nodule)
Dipnomorpha - Gnathorhizidae
Gnathorhiza serrata Cope 1883
Daly 1973 3 elements
FMNH UF 1057, 1069, 1070 (tooth plates and and fragments)
Osteolepiformes - Megalichthyidae
Ectosteorhachis cf. nitidus Cope 1880
Daly 1973 2 fragments
FMNH UF 1068
see common names

Country:United States State/province:Oklahoma County:Tillman
Coordinates: 34.2° North, 98.8° West (view map)
Paleocoordinates:2.5° North, 28.2° West
Basis of coordinate:stated in text
Geographic resolution:small collection
Period:Permian Epoch:Cisuralian
Stage:Kungurian 10 m.y. bin:Permian 2
Key time interval:Kungurian
Age range of interval:279.30000 - 272.30000 m.y. ago
Stratigraphic resolution:bed
Stratigraphy comments: "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)
Lithology and environment
Primary lithology:green,red "shale"
Secondary lithology:"cross stratification",red poorly lithified sandstone
Lithology description: "Red shale spotted with pale green, containing lenses of fissile red sandstone and of stratified dark red fine conglomerate."
Environment:fluvial indet.
Modes of preservation:body,concretion
Size of fossils:macrofossils
Articulated whole bodies:none
Associated major elements:many
Disassociated major elements:many
Disassociated minor elements:many
Collection methods and comments
Collection methods:surface (float),surface (in situ),mechanical,field collection,survey of museum collection
Reason for describing collection:general faunal/floral analysis
Museum repositories:FMNH
Collectors:O. Gilpin Collection dates:1966
Collection method comments: "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
Taxonomic list comments:not the same as the two West Grandfield sites of Olson 1967
Database number:67945
Authorizer:J. Alroy, J. Mueller, R. Butler Enterer:J. Alroy, E. Dunne, T. Liebrecht
Modifier:M. Carrano Research group:vertebrate
Created:2006-12-18 14:40:30 Last modified:2020-02-25 09:28:50
Access level:the public Released:2006-12-18 14:40:30
Creative Commons license:CC BY
Reference information

Primary reference:

28632. 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]

Secondary references:

28692 R. L. Carroll and P. Gaskill. 1978. The Order Microsauria. Memoirs of the American Philosophical Society 126:1-211 [J. Mueller/T. Liebrecht/T. Liebrecht]
19411 E. Daly. 1973. A Lower Permian vertebrate fauna from southern Oklahoma. Journal of Paleontology 47(3):562-589 [J. Alroy/J. Alroy]
30419 T. R. Haglund. 1977. New Occurences and Paleoecology of Peronedon primus Olson (Nectridea). Journal of Paleontology 51(5):982-985 [J. Mueller/T. Liebrecht]