McCann Quarry (Permian of the United States)

Also known as "McCaren quarry"; Nardin site, Eddy site, OMNH locality V128

Where: Kay County, Oklahoma (36.7° N, 97.4° W: paleocoordinates 3.9° N, 26.1° W)

• coordinate stated in text

• outcrop-level geographic resolution

When: McCann Sandstone Member (Wellington Formation), Leonardian (286.0 - 273.0 Ma)

• member-level stratigraphic resolution

Environment/lithology: fluvial-deltaic; coarse-grained sandstone and gray, yellow sandstone

• "predominantly nearshore [...], in part marine" (Olson, 1967)

Size class: macrofossils

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 79815: authorized by Johannes Mueller, entered by Jana Dummasch on 25.03.2008, edited by Torsten Liebrecht

Creative Commons license: CC BY (attribution)

Taxonomic list

• "Along with the bone fragments are abundant conchostracans, called Estheria by Gould (1900). Few remains of plants have been found." Olson (1967)
Amphibia
 Nectridea - Diplocaulidae
Diplocaulus sp. Cope 1877 tetrapod
OUSM 2-1-S10
 Temnospondyli - Trimerorhachidae
Trimerorhachis insignis Cope 1878 tetrapod
OUSM 2-1-S11, 2-1-S15, 2-1-S16, 2-1-S23, 2-1-S24, 2-1-S25, 2-1-S26, 2-1-S28, 2-34-S1
 Temnospondyli - Eryopidae
Eryops cf. megacephalus Cope 1877 tetrapod
KU 348 (type) - Previously the holotype of Eryops willistoni, named by Moodies. Reassigned to E. megacephalus by Olson (1967)
Eryops megacephalus Cope 1877 tetrapod
OUSM 2-1-S2, 2-1-S19, 2-1-S20, 2-1-S21, 2-1-S22, 2-4-S1, 2-4-S13, 2-34-S3, 6-4-S2
Reptilia
 Eureptilia - Captorhinidae
"Eocaptorhinus laticeps" = Captorhinus laticeps1, "Labidosaurus oklahomensis n. sp." = Captorhinus laticeps1
"Eocaptorhinus laticeps" = Captorhinus laticeps1 Williston 1909 eureptile
OUSM 15020A (formerly 3-1-S4), 15020B (3-0-S5), 15021 (3-1-S8), 15023 (3-4-S6), 15024 (3-1-S6), 15025 (3-34-S3), 15027 (3-0-S3), 15101 (3-0-S4), 15102 (3-1-S3)
"Labidosaurus oklahomensis n. sp." = Captorhinus laticeps1 Williston 1909 eureptile
OUSM 15022 (formerly 3-1-S7) (type)
Osteichthyes
 Synapsida - Sphenacodontidae
Dimetrodon sp. Cope 1878 synapsid
OUSM 4-0-S29, 4-1-S6, 4-1-S7, 4-7-S3, 4-35-S1
 Synapsida - Edaphosauridae
Edaphosaurus sp. Cope 1882 synapsid
OUSM 4-35-S2, 4-35-S4
 Cotylosauria -
Archeria victori n. sp. Stovall 1948 tetrapod
OMNH 04176 (UOM 2-1-S8) (type); numbers of additional specimens listed by Olson (1967 p. 103) are identical to those of T. insignis or E. megacephalus
 Palaeonisciformes - Platysomidae
Platysomidae indet.2
OUSM ("unnumbered palatal tooth plates")
Chondrichthyes
 Xenacanthiformes - Xenacanthidae
Xenacanthus sp. Beyrich 1848 elasmobranch
OUSM 1-25-S17 (teeth)