MNA Loc. 1230 (Cretaceous to of the United States)

Also known as UMNH VP Loc. 12; north end, Pine Valley Mountains

Where: Washington County, Utah (37.5° N, 113.5° W: paleocoordinates 45.8° N, 84.1° W)

• coordinate based on political unit

• small collection-level geographic resolution

When: Iron Springs Formation, Late/Upper Santonian to Late/Upper Santonian (85.8 - 70.6 Ma)

• bed-level stratigraphic resolution

Environment/lithology: marginal marine; lithology not reported

Size classes: macrofossils, mesofossils

Collection methods: bulk, sieve,

Primary reference: J. G. Eaton. 1999. Vertebrate paleontology of the Iron Springs Formation, Upper Cretaceous, southwestern Utah. In D. D. Gillette (ed.), Vertebrate Paleontology in Utah, Utah Geological Survey Miscellaneous Publication 99-1:339-343 [J. Alroy/J. Alroy/M. Carrano]more details

Purpose of describing collection: general faunal/floral analysis

PaleoDB collection 14413: authorized by John Alroy, entered by John Alroy on 19.05.2000, edited by Matthew Carrano, Terri Cleary and Patricia Holroyd

Creative Commons license: CC BY (attribution)

Taxonomic list

• near top of formation and therefore probably Coniacian or Santonian
Mammalia
 Theriamorpha -
Metatheria indet.1 Huxley 1880 metatherian
 Multituberculata -
Paracimexomys cf. priscus Lillegraven 1969 multituberculate
Reptilia
 Loricata -
Crocodylia indet. crocodilian
 Ornithischia -
 Theropoda -
 Theropoda - Troodontidae
Troodontidae indet. Gilmore 1924 maniraptoran
 Squamata -
cf. Scincoidea "indet. Iron Springs Morphotype A"4 squamates
"Paramacellodid/Cordylid grade" UMNH VP 19253, jaw fragment
cf. Scincoidea "indet. Iron Springs Morphotype B"4 squamates
"Paramacellodid/Cordylid grade" UMNH VP 19254, incomplete premaxilla
 Testudinata - Helochelydridae
cf. Naomichelys sp. Hay 1908 turtle
 Testudines -
Testudines indet. Batsch 1788 turtle
Amphibia
 Salientia -
Anura indet.2 Fischer von Waldheim 1813 frog
 Caudata - Urodela
Habrosaurus sp.3 Gilmore 1928 siren
MNA V12075
Scapherpetontidae indet.3 Auffenberg and Goin 1959 salamander
MNA V10273
 Proteida - Batrachosauroididae
Batrachosauroididae indet.3 Auffenberg 1958 salamander
MNA V10272
 Temnospondyli - Albanerpetontidae
Albanerpetontidae indet.2 Fox and Naylor 1982 tetrapod
Pisces
  -
"Pisces indet." = Osteichthyes
"Pisces indet." = Osteichthyes Huxley 1880 bony fish
Chondrichthyes
 Batoidea -