Eureka Quarry anthills: Lancian, South Dakota
List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
|
Reptilia
|
||||||||||
|
? Parasaniwa wyomingensis
Gilmore 1928
|
1 specimen | |||||||||
| SDSM 6426 | ||||||||||
|
Reptilia
- Chamopsiidae
|
||||||||||
|
Chamops segnis
Marsh 1892
|
2 specimens | |||||||||
| SDSM 64223, 64339 | ||||||||||
|
Reptilia
|
||||||||||
|
Champsosaurus sp.
Cope 1876
|
||||||||||
| SDSM 64295, 64319, 64338, 64348, 64357, 64364 | ||||||||||
|
Theropoda indet.
(Marsh 1881)
|
||||||||||
| SDSM 64369, 64370 | ||||||||||
|
Reptilia
- Tyrannosauridae
|
||||||||||
|
cf. Tyrannosaurus sp.
Osborn 1905
|
1 specimen | |||||||||
| SDSM 64351 | ||||||||||
|
Reptilia
- Caenagnathidae
|
||||||||||
|
cf. Chirostenotes sp.
Gilmore 1924
|
1 specimen | |||||||||
| SDSM 64341 | ||||||||||
|
Reptilia
- Troodontidae
|
||||||||||
|
? Troodon sp.
Leidy 1856
|
2 specimens | |||||||||
| SDSM 64306 | ||||||||||
|
Saurornithoides cf. mongoliensis
Osborn 1924
|
2 specimens | |||||||||
| SDSM 64324 | ||||||||||
|
Reptilia
|
||||||||||
|
Paronychodon lacustris
Cope 1876
|
2 specimens | |||||||||
| nomen dubium belonging to Paronychodon | ||||||||||
| SDSM 64325 | ||||||||||
|
Reptilia
- Hadrosauridae
|
||||||||||
|
Anatosaurus sp.
Lull and Wright 1942
|
8 specimens | |||||||||
| synonym of Edmontosaurus | ||||||||||
| SDSM 64303, 63647 | ||||||||||
|
Reptilia
|
||||||||||
|
Thescelosaurus neglectus
Gilmore 1913
|
5 specimens | |||||||||
| SDSM 64301, 64327, 64352 | ||||||||||
|
Reptilia
- Ceratopsidae
|
||||||||||
|
Triceratops sp.
Marsh 1889
|
7 specimens | |||||||||
| SDSM 64304, 64328, 64266 | ||||||||||
|
Reptilia
- Pachycephalosauridae
|
||||||||||
|
? Pachycephalosauridae indet.
Sternberg 1945
|
1 specimen | |||||||||
| SDSM 64302 | ||||||||||
|
Reptilia
|
||||||||||
|
Brachychampsa cf. montana
Gilmore 1911
|
||||||||||
| SDSM 64298, 64322, 64240, 64350, 64359 | ||||||||||
|
Leidyosuchus cf. sternbergi
(Gilmore 1910)
|
||||||||||
| recombined as Borealosuchus sternbergii | ||||||||||
| SDSM 6297, 64321, 64339, 64349, 64358, 64365 | ||||||||||
|
Amphibia
- Temnospondyli
- Urodela
|
||||||||||
|
Scapherpeton tectum
Cope 1876
|
4 specimens | |||||||||
| SDSM 64293, 64317 | ||||||||||
|
Amphibia
- Temnospondyli
- Batrachosauroididae
|
||||||||||
|
Opisthotriton kayi
Auffenberg 1961
|
9 specimens | |||||||||
| SDSM 64294, 64318, 64336, 64347 | ||||||||||
|
Amphibia
- Anura
|
||||||||||
|
? Pelobatidae indet.
Lataste 1879
|
1 specimen | |||||||||
| SDSM 64316 | ||||||||||
|
= Anura indet.
Fischer von Waldheim 1813
|
Gardner and DeMar 2013 | |||||||||
|
Actinopteri
- Amiiformes
- Amiidae
|
||||||||||
|
Amia sp.
Linnaeus 1766
|
||||||||||
| SDSM 64289, 64333, 64344, 64362 | ||||||||||
|
Amia fragosa
Jordan 1927
|
||||||||||
| SDSM 64313, 64332, 64343, 64355, 64361 | ||||||||||
|
Actinopteri
- Lepisosteiformes
- Lepisosteidae
|
||||||||||
|
Lepisosteus occidentalis
(Leidy 1856)
|
||||||||||
| original and current combination Lepidotus occidentalis | ||||||||||
| SDSM 64291, 64344–64346, 64363 | ||||||||||
|
Actinopteri
- Sciaenidae
|
||||||||||
|
Platacodon nanus
Marsh 1889
|
1 specimen | |||||||||
| SDSM 64315 | ||||||||||
|
Actinopteri
- Albuliformes
- Albulidae
|
||||||||||
|
Coriops amnicolus
Estes 1969
|
||||||||||
| SDSM 64290 | ||||||||||
|
Chondrichthyes
- Rajiformes
- Rhinobatidae
|
||||||||||
|
Myledaphus bipartitus
Cope 1876
|
||||||||||
| SDSM 64283, 64312, 64321, 64342, 64354, 64369 | ||||||||||
|
Chondrichthyes
- Hybodontiformes
- Lonchidiidae
|
||||||||||
|
Lonchidion selachos
Estes 1964
|
4 specimens | |||||||||
| SDSM 64330, 64331 | ||||||||||
| see common names | ||||||||||
Geography
| Country: | United States | State/province: | South Dakota | County: | Harding |
| Coordinates: | 45.6° North, 103.5° West (view map) | ||||
| Paleocoordinates: | 51.8° North, 77.2° West | ||||
| Basis of coordinate: | based on nearby landmark | ||||
| Geographic resolution: | small collection |
Time
| Period: | Cretaceous | Epoch: | Late/Upper Cretaceous |
| Stage: | Maastrichtian | 10 m.y. bin: | Cretaceous 8 |
| Key time interval: | Lancian | ||
| Age range of interval: | 72.10000 - 66.00000 m.y. ago |
Stratigraphy
| Formation: | Hell Creek |
| Stratigraphic resolution: | bed |
Lithology and environment
| Primary lithology: | sandstone |
| Includes fossils? | Y |
| Environment: | coarse channel fill |
Taphonomy
| Modes of preservation: | body |
| Size of fossils: | mesofossils |
| Disassociated major elements: | many |
| Disassociated minor elements: | many |
Collection methods and comments
| Collection methods: | bulk,surface (float),field collection |
| Reason for describing collection: | taxonomic analysis |
| Museum repositories: | SDSM |
Metadata
| Also known as: | SDSM V638, V639, V640, V644, V645, V646 | ||
| Database number: | 192251 | ||
| Authorizer: | P. Holroyd, M. Carrano | Enterer: | P. Holroyd, M. Carrano |
| Modifier: | M. Carrano | Research group: | vertebrate |
| Created: | 2018-03-18 00:19:56 | Last modified: | 2018-06-27 13:19:10 |
| Access level: | the public | Released: | 2018-03-18 00:19:56 |
| 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:
| 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] |