Eureka Quarry, SDSM loc. V637 (Cretaceous of the United States)

Where: Harding County, South Dakota (45.5° N, 103.1° W: paleocoordinates 51.6° N, 76.8° W)

• coordinate based on political unit

• small collection-level geographic resolution

When: Hell Creek Formation, Lancian (70.6 - 66.0 Ma)

• group of beds-level stratigraphic resolution

Environment/lithology: coarse channel fill; sandstone

Size class: mesofossils

Collection methods: bulk, surface (float), sieve,

Primary reference: M. T. Greenwald. 1971. The Lower Vertebrates of the Hell Creek Formation, Harding County, South Dakota 1-77 [M. Carrano/M. Carrano]more details

Purpose of describing collection: biostratigraphic analysis

PaleoDB collection 14537: authorized by John Alroy, entered by John Alroy on 27.09.1993, edited by Matthew Carrano

Creative Commons license: CC BY (attribution)

Taxonomic list

• some specimens from other localities within 1/2 mile of the quarry
Chondrichthyes
 Hybodontiformes - Lonchidiidae
Lonchidion selachos Estes 1964 elasmobranch
SDSM 64204
 Myliobatiformes - Dasyatidae
Myledaphus bipartitus Cope 1876 whiptail stingray
SDSM 64205, 64350
Actinopteri
 Acipenseriformes - Acipenseridae
? Acipenser sp. Linnaeus 1758 sturgeon
SDSM 64206, 64217
 Elopiformes - Elopidae
Elopidae indet. Bonaparte 1846
SDSM 64214
 Albuliformes - Albulidae
Coriops amnicolus Estes 1969 bonefish
SDSM 64215
 Acanthomorphata - Sciaenidae
Platacodon nanus Marsh 1889
SDSM 64216
 Amiiformes - Amiidae
Amia sp. Linnaeus 1766 bowfin
SDSM 64210
Amia fragosa Jordan 1927 bowfin
SDSM 64209, 64391
 Lepisosteiformes - Lepisosteidae
Lepisosteus occidentalis Leidy 1856 gar
SDSM 64211–64213
Osteichthyes
 Salientia -
Anura indet.2 Fischer von Waldheim 1813 frog
SDSM 64232
 Proteida - Batrachosauroididae
Opisthotriton kayi Auffenberg 1961 salamander
SDSM 64224–64227
 Caudata - Urodela
Habrosaurus dilatus Gilmore 1928 siren
SDSM 64228–64231
Scapherpeton tectum Cope 1876 salamander
SDSM 64218–64223
Reptilia
 Testudinata -
Testudinata indet. turtle
SDSM 64392, 64280, 64278
 Saurischia -
Theropoda indet. theropod
SDSM 64385
 Avetheropoda - Caenagnathidae
cf. Chirostenotes sp. Gilmore 1924 coelurosaur
SDSM 64371, 64372
 Avetheropoda - Dromaeosauridae
cf. Dromaeosaurus sp. Matthew and Brown 1922 coelurosaur
SDSM 64272, 64273, 64393
 Avetheropoda - Troodontidae
? Troodon sp. Leidy 1856 coelurosaur
SDSM 64369, 64370
Saurornithoides cf. mongoliensis Osborn 1924 coelurosaur
SDSM 64274, 64275
 Avetheropoda -
Paronychodon lacustris Cope 1876 coelurosaur
SDSM 64270, 64271
 Avetheropoda - Tyrannosauridae
cf. Tyrannosaurus sp. Osborn 1905 tyrant lizard
SDSM 64285, 64394
cf. Gorgosaurus sp. Lambe 1914 tyrannosaurid
SDSM 64286, 64287
 Ornithischia - Nodosauridae
Nodosauridae indet. Marsh 1890 ornithischian
SDSM 64266, 64267, 64283, 64284
 Neornithischia - Pachycephalosauridae
? Pachycephalosauridae indet. Sternberg 1945 ornithischian
SDSM 64376
 Neornithischia - Ceratopsidae
Triceratops sp. Marsh 1889 ceratopsid
SDSM 64283, 64284, 6842
 Neornithischia - Thescelosauridae
Thescelosaurus neglectus Gilmore 1913 ornithischian
SDSM 64263–64265
 Crocodylia -
"Leidyosuchus cf. sternbergi" = Borealosuchus sternbergii
"Leidyosuchus cf. sternbergi" = Borealosuchus sternbergii Gilmore 1910 crocodilian
SDSM 64251–64257, 64259
 Crocodylia - Alligatoridae
Brachychampsa cf. montana Gilmore 1911 crocodilian
SDSM 6261, 64262
 Squamata - Xenosauridae
Exostinus lancensis Gilmore 1928 lizard
SDSM 64248, 64249
 Squamata -
? Parasaniwa wyomingensis Gilmore 1928 lizard
SDSM 64250
 Squamata - Anguidae
"Peltosaurus piger" = Odaxosaurus piger
"Peltosaurus piger" = Odaxosaurus piger Gilmore 1928 lizard
SDSM 64246, 64247
 Squamata - Globauridae
cf. Contogenys sloani Estes 1969 lizard
SDSM 64245
 Squamata - Chamopsiidae
Leptochamops denticulatus Gilmore 1928 lizard
SDSM 64239, 64240
Chamops segnis Marsh 1892 lizard
SDSM 64237, 64238, 64367, 64368
Meniscognathus altmani Estes 1964 lizard
SDSM 64241, 64242
 Squamata -
"Sauriscus cooki" = Estescincosaurus cooki
"Sauriscus cooki" = Estescincosaurus cooki Estes 1964 lizard
SDSM 64243, 64244
 Choristodera -
Champsosaurus sp. Cope 1876 choristodere
SDSM 64233–64236
Mammalia
 Leptictida - Gypsonictopidae
Gypsonictops hypoconus3 Simpson 1927 eutherian
 Theriiformes - Peradectidae
Peradectidae indet.1, Pediomys elegans3, "Pediomys hatcheri" = Aletridelphys hatcheri3, "Pediomys florencae" = Aletridelphys florencae3
Peradectidae indet.1 metatherian
Pediomys elegans3 Marsh 1889 metatherian
"Pediomys hatcheri" = Aletridelphys hatcheri3 Osborn 1898 metatherian
"Pediomys florencae" = Aletridelphys florencae3 Clemens 1966 metatherian
 Didelphimorphia - Stagodontidae
Didelphodon cf. vorax3 Marsh 1889 marsupial
 Multituberculata - Cimolomyidae
Meniscoessus ? robustus3 Marsh 1889 multituberculate
Cimolomys ? gracilis3 Marsh 1889 multituberculate
 Multituberculata - Neoplagiaulacidae
Mesodma ? hensleighi3 Lillegraven 1969 multituberculate
Mesodma thompsoni3 Clemens 1964 multituberculate
Mesodma formosa3 Marsh 1889 multituberculate
 Multituberculata - Cimolodontidae
Cimolodon ? nitidus3 Marsh 1889 multituberculate