Eureka Quarry, SDSM loc. V637: Lancian, South Dakota
List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
Chondrichthyes
- Hybodontiformes
- Lonchidiidae
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Lonchidion selachos
Estes 1964
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6 specimens | |||||||||
SDSM 64204 | ||||||||||
Chondrichthyes
- Rajiformes
- Rhinobatidae
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Myledaphus bipartitus
Cope 1876
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SDSM 64205, 64350 | ||||||||||
Acipenseriformes
- Acipenseridae
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? Acipenser sp.
Linnaeus 1758
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SDSM 64206, 64217 | ||||||||||
Reptilia
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Champsosaurus sp.
Cope 1876
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SDSM 64233–64236 | ||||||||||
Brachychampsa cf. montana
Gilmore 1911
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SDSM 6261, 64262 | ||||||||||
Leidyosuchus cf. sternbergi
(Gilmore 1910)
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recombined as Borealosuchus sternbergii | ||||||||||
SDSM 64251–64257, 64259 | ||||||||||
Reptilia
- Theropoda
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Theropoda indet.
(Marsh 1881)
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SDSM 64385 | ||||||||||
Paronychodon lacustris
Cope 1876
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nomen dubium belonging to Paronychodon | ||||||||||
SDSM 64270, 64271 | ||||||||||
Reptilia
- Theropoda
- Troodontidae
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? Troodon sp.
Leidy 1856
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3 specimens | |||||||||
SDSM 64369, 64370 | ||||||||||
Saurornithoides cf. mongoliensis
Osborn 1924
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3 specimens | |||||||||
SDSM 64274, 64275 | ||||||||||
Reptilia
- Theropoda
- Dromaeosauridae
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cf. Dromaeosaurus sp.
Matthew and Brown 1922
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8 specimens | |||||||||
SDSM 64272, 64273, 64393 | ||||||||||
Reptilia
- Theropoda
- Caenagnathidae
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cf. Chirostenotes sp.
Gilmore 1924
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3 specimens | |||||||||
SDSM 64371, 64372 | ||||||||||
Reptilia
- Theropoda
- Tyrannosauridae
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cf. Tyrannosaurus sp.
Osborn 1905
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2 specimens | |||||||||
SDSM 64285, 64394 | ||||||||||
cf. Gorgosaurus sp.
Lambe 1914
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SDSM 64286, 64287 | ||||||||||
Reptilia
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Thescelosaurus neglectus
Gilmore 1913
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SDSM 64263–64265 | ||||||||||
Reptilia
- Ceratopsidae
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Triceratops sp.
Marsh 1889
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SDSM 64283, 64284, 6842 | ||||||||||
Reptilia
- Pachycephalosauridae
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? Pachycephalosauridae indet.
Sternberg 1945
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3 specimens | |||||||||
SDSM 64376 | ||||||||||
Reptilia
- Nodosauridae
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Nodosauridae indet.
Marsh 1890
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6 specimens | |||||||||
SDSM 64266, 64267, 64283, 64284; teeth and scutes | ||||||||||
Reptilia
- Anguidae
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Peltosaurus piger
Gilmore 1928
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10 specimens | |||||||||
recombined as Odaxosaurus piger | ||||||||||
SDSM 64246, 64247 | ||||||||||
Reptilia
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? Parasaniwa wyomingensis
Gilmore 1928
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2 specimens | |||||||||
SDSM 64250 | ||||||||||
Reptilia
- Xenosauridae
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Exostinus lancensis
Gilmore 1928
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2 specimens | |||||||||
SDSM 64248, 64249 | ||||||||||
Reptilia
- Globauridae
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cf. Contogenys sloani
Estes 1969
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1 specimen | |||||||||
SDSM 64245 | ||||||||||
Reptilia
- Chamopsiidae
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Chamops segnis
Marsh 1892
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9 specimens | |||||||||
SDSM 64237, 64238, 64367, 64368 | ||||||||||
Leptochamops denticulatus
(Gilmore 1928)
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8 specimens | |||||||||
SDSM 64239, 64240 | ||||||||||
Meniscognathus altmani
Estes 1964
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2 specimens | |||||||||
SDSM 64241, 64242 | ||||||||||
Reptilia
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Sauriscus cooki
Estes 1964
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3 specimens | |||||||||
recombined as Estescincosaurus cooki | ||||||||||
SDSM 64243, 64244 | ||||||||||
Testudinata indet.
(Oppel 1811)
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SDSM 64392, 64280, 64278 | ||||||||||
Mammalia
- Stagodontidae
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Didelphodon cf. vorax
Marsh 1889
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Wilson 1983 | |||||||||
Mammalia
- Pediomyidae
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Pediomys elegans
Marsh 1889
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Wilson 1983 | |||||||||
Pediomys hatcheri
(Osborn 1898)
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Wilson 1983 | |||||||||
original and current combination Protolambda hatcheri | ||||||||||
Pediomys florencae
Clemens 1966
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Wilson 1983 | |||||||||
recombined as Protolambda florencae | ||||||||||
Mammalia
- Peradectidae
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Alphadon sp.
Simpson 1927
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Wilson 1983 | |||||||||
= Peradectidae indet.
Crochet 1979
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Alroy 2002 | |||||||||
Mammalia
- Gypsonictopidae
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Gypsonictops hypoconus
Simpson 1927
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Wilson 1983 | |||||||||
Mammalia
- Multituberculata
- Neoplagiaulacidae
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Mesodma ? hensleighi
Lillegraven 1969
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Wilson 1983 | |||||||||
Mesodma thompsoni
Clemens 1964
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Wilson 1983 | |||||||||
Mesodma formosa
(Marsh 1889)
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Wilson 1983 | |||||||||
Mammalia
- Multituberculata
- Cimolodontidae
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Cimolodon ? nitidus
Marsh 1889
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Wilson 1983 | |||||||||
Mammalia
- Multituberculata
- Cimolomyidae
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Meniscoessus ? robustus
(Marsh 1889)
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Wilson 1983 | |||||||||
Cimolomys ? gracilis
Marsh 1889
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Wilson 1983 | |||||||||
Amphibia
- Temnospondyli
- Urodela
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Habrosaurus dilatus
Gilmore 1928
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17 specimens | |||||||||
SDSM 64228–64231 | ||||||||||
Scapherpeton tectum
Cope 1876
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SDSM 64218–64223 | ||||||||||
Amphibia
- Temnospondyli
- Batrachosauroididae
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Opisthotriton kayi
Auffenberg 1961
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SDSM 64224–64227 | ||||||||||
Amphibia
- Anura
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? Pelobatidae indet.
Lataste 1879
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4 specimens | |||||||||
SDSM 64232 | ||||||||||
= Anura indet.
Fischer von Waldheim 1813
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Gardner and DeMar 2013 | |||||||||
Actinopteri
- Lepisosteiformes
- Lepisosteidae
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Lepisosteus occidentalis
(Leidy 1856)
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original and current combination Lepidotus occidentalis | ||||||||||
SDSM 64211–64213 | ||||||||||
Actinopteri
- Amiiformes
- Amiidae
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Amia sp.
Linnaeus 1766
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SDSM 64210 | ||||||||||
Amia fragosa
Jordan 1927
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SDSM 64209, 64391 | ||||||||||
Actinopteri
- Sciaenidae
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Platacodon nanus
Marsh 1889
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15 specimens | |||||||||
SDSM 64216 | ||||||||||
Actinopteri
- Albuliformes
- Albulidae
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Coriops amnicolus
Estes 1969
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SDSM 64215 | ||||||||||
Actinopteri
- Elopiformes
- Elopidae
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Elopidae indet.
Bonaparte 1846
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1 specimen | |||||||||
SDSM 64214 | ||||||||||
see common names |
Geography
Country: | United States | State/province: | South Dakota | County: | Harding |
Coordinates: | 45.5° North, 103.1° West (view map) | ||||
Paleocoordinates: | 51.6° North, 76.8° West | ||||
Basis of coordinate: | based on political unit | ||||
Geographic resolution: | small collection |
Time
Period: | Cretaceous | Epoch: | Late/Upper Cretaceous |
Stage: | Maastrichtian | 10 m.y. bin: | Cretaceous 8 | *Epoch: | Senonian |
Key time interval: | Lancian | ||
Age range of interval: | 72.10000 - 66.00000 m.y. ago | ||
* legacy (obsolete) database fields |
Stratigraphy
Geological group: | Montana | Formation: | Hell Creek |
Stratigraphic resolution: | group of beds |
Lithology and environment
Primary lithology: | sandstone |
Includes fossils? | Y |
Environment: | coarse channel fill |
Taphonomy
Modes of preservation: | body |
Size of fossils: | mesofossils |
Associated major elements: | some |
Disassociated major elements: | many |
Collection methods and comments
Collection methods: | bulk,surface (float),sieve,field collection |
Collection size: | 183 specimens |
Rock censused: | 12000 kg |
Reason for describing collection: | biostratigraphic analysis |
Taxonomic list comments:some specimens from other localities within 1/2 mile of the quarry |
Metadata
Database number: | 14537 | ||
Authorizer: | J. Alroy, M. Carrano | Enterer: | J. Alroy, M. Carrano |
Modifier: | M. Carrano | Research group: | vertebrate |
Created: | 1993-09-27 00:00:00 | Last modified: | 2021-05-05 11:13:16 |
Access level: | the public | Released: | 1993-09-27 00:00:00 |
Creative Commons license: | CC BY |
Reference information
Primary reference:
66164. | M. T. Greenwald. 1971. The Lower Vertebrates of the Hell Creek Formation, Harding County, South Dakota. 1-77 [M. Carrano/M. Carrano/M. Uhen] |
Secondary references:
6294 | J. Alroy. 2002. Synonymies and reidentifications of North American fossil mammals. [J. Alroy/J. Alroy/M. Kouvari] | |
65027 | J. D. Gardner and D. G. DeMar. 2013. Mesozoic and Palaeocene lissamphibian assemblages of North America: a comprehensive review. Palaeobiodiversity and Palaeoenvironments 93:459-515 [P. Holroyd/P. Holroyd/M. Carrano] | |
3705 | R. W. Wilson. 1983. Late Cretaceous mammals of western South Dakota, 1974. National Geographic Society Research Reports (1971, 1973, or 1974) 15:749-752 [J. Alroy/J. Alroy/M. Carrano] |