Orlando site, Noble Co. (Wellington Fm.) (Permian of the United States)

Where: Noble County, Oklahoma (36.2° N, 97.3° W: paleocoordinates 1.6° N, 27.1° W)

• coordinate stated in text

When: Wellington Formation (Sumner Group), Artinskian (290.1 - 279.3 Ma)

• "about 100 feet below the contact of the Wellington and the Garber formations" Olson (1970 p. 360). The Artinskian age of the Wellington Fm. given here is taken from Mazzullo (1995, in Scholle et al. (eds.) The Permian of Northern Pangaea vol. II)

Environment/lithology: terrestrial; gray claystone and concretionary, sandy ironstone

Size class: macrofossils

Preservation: concretion

Collection methods: surface (float),

• "collecting has been almost entirely from the surface" Olson (1967 p. 45)

Primary reference: E. C. Olson. 1967. Early Permian Vertebrates. Oklahoma Geological Survey Circular 74:1-111 [J. Mueller/T. Liebrecht/T. Liebrecht]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 79402: authorized by Johannes Mueller, entered by Jana Dummasch on 07.03.2008, edited by Torsten Liebrecht

Creative Commons license: CC BY (attribution)

Taxonomic list

Osteichthyes
 Cotylosauria -
Archeria sp. Case 1918 tetrapod
Reptilia
 Eureptilia - Captorhinidae
Protocaptorhinus pricei2 Clark and Carroll 1973 eureptile
KU 351a (type), 351b; OUSM 3-0-S19 (15021 in Olson, 1984); FMNH UC 676 (PR 678 in Olson, 1984)
Captorhinus cf. aguti Cope 1882 eureptile
"not common"
Osteichthyes
 Recumbirostra - Molgophidae
"Lysorophus tricarinatus" = Brachydectes newberryi
"Lysorophus tricarinatus" = Brachydectes newberryi Cope 1868 amniote
 Synapsida - Sphenacodontidae
Dimetrodon sp. Cope 1878 synapsid
 Synapsida - Edaphosauridae
Edaphosaurus sp. Cope 1882 synapsid
 Seymouriamorpha - Seymouriidae
Seymouria baylorensis Broili 1904 tetrapod
presence not confirmed by Olson
 Tetrapoda - Cricotidae
Cricotillus brachydens1 Case 1902 tetrapod
KU 349 (type), 350
Amphibia
 Temnospondyli - Trimerorhachidae
Trimerorhachis insignis Cope 1878 tetrapod
"about 1% of the total assemblage" prior to collection of additional material of P. brachycoelus (!)
 Temnospondyli - Eryopidae
Eryops megacephalus Cope 1877 tetrapod
 Nectridea - Urocordylidae
Crossotelos annulatus n. gen. n. sp.
Crossotelos annulatus n. gen. n. sp. Case 1902 tetrapod
"only slightly less abundant than D. magnicornis"
 Nectridea - Diplocaulidae
Diplocaulus magnicornis Cope 1882 tetrapod
"about 45% of all remains" prior to collection of additional material of P. brachycoelus (!)
Osteichthyes
 Dipnoi - Gnathorhizidae
Gnathorhiza cf. serrata Cope 1883 lungfish
 Palaeonisciformes -
Chondrichthyes
 Xenacanthiformes - Xenacanthidae
Xenacanthus sp. Beyrich 1848 elasmobranch