Gold Spring General (TMM 43687) (Jurassic to of the United States)

Where: Coconino County, Arizona (35.7° N, 111.1° W: paleocoordinates 19.4° N, 49.8° W)

• coordinate based on nearby landmark

• outcrop-level geographic resolution

When: Silty Facies Member (Kayenta Formation), Sinemurian to Sinemurian (199.3 - 182.7 Ma)

• bed-level stratigraphic resolution

Environment/lithology: terrestrial; lithology not reported

Size class: macrofossils

Reposited in the TMM

Primary reference: B. T. Breeden and T. B. Rowe. 2020. New specimens of Scutellosaurus lawleri Colbert,1981, from the Lower Jurassic Kayenta Formation in Arizona elucidate the early evolution of thyreophoran dinosaurs. Journal of Vertebrate Paleontology 40(4):e1791894:1-32 [M. Carrano/M. Carrano]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 216645: authorized by Matthew Carrano, entered by Matthew Carrano on 22.12.2020

Creative Commons license: CC BY (attribution)

Taxonomic list

Reptilia
 Archosauria -
Archosauria indet. Cope 1869 archosaur
TMM 43687-23, 45, 51
 Ornithischia -
Ornithischia indet. Seeley 1888 ornithischian
TMM 43687-3, 15–17, 20, 22, 36, 53, 55, 57, 117
cf. Scutellosaurus sp. Colbert 1981 ornithischian
TMM 43687-13, 117, 123
Scutellosaurus lawleri Colbert 1981 ornithischian
TMM 43687-9, 16, 17, 22, 42, 50, 57, 75, 81, 96, 112, 114–116, 121–122, 124
 Theropoda -
Theropoda indet. Marsh 1881 theropod
TMM 43687-10, 58, 60, 71, 85, 91, 98, 102, 105, 119,
Dilophosaurus wetherilli Welles 1954 neotheropod
TMM 43687-52
Tetanurae indet. Gauthier 1986 tetanuran theropod
TMM 43687-9, 94
 Saurischia -
Saurischia indet. Seeley 1888 saurischian
TMM 43687-8
 Testudines -
Testudines indet. turtle
TMM 43687-65, 72–73, 83–84, 87, 92, 95, 99, 103–104, 108–110, 120, 125
 Testudinata -
cf. Kayentachelys sp. Gaffney et al. 1987 turtle
TMM 43687-1, 4–5, 12, 21, 25–35, 37–41, 47–49, 54
Kayentachelys sp. Gaffney et al. 1987 turtle
TMM 43687-24, 43, 54
Osteichthyes
 Therapsida - Tritylodontidae
Tritylodontidae indet. Cope 1884 mammaliamorph
TMM 43687-62–63, 118
cf. Kayentatherium sp. Kermack 1982 mammaliamorph
TMM 43687-111
cf. Oligokyphus sp. Hennig 1922 mammaliamorph
TMM 43687-2
Oligokyphus sp. Hennig 1922 mammaliamorph
TMM 43687-86
Dinnebitodon sp. Sues 1986 mammaliamorph
TMM 43687-7