Amherst Collection at Mule Creek: Campanian, Wyoming
collected by Amherst College 1903
List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
|
Reptilia
- Plesiosauria
- Elasmosauridae
|
||||||||||
|
Elasmosaurus sp.
Cope 1868
|
2 specimens | |||||||||
| one paddle and part of a second | ||||||||||
|
Reptilia
- Mosasauridae
|
||||||||||
|
Platecarpus brachycephalus
Loomis 1915
|
16 specimens | |||||||||
| nomen dubium belonging to Platecarpus | ||||||||||
| many parts of skeletons | ||||||||||
|
Heteromi
- Stratodontidae
|
||||||||||
|
Empo sp.
Cope 1872
|
1 specimen | |||||||||
| skull bones and vertebrae | ||||||||||
|
Actinopteri
- Crossognathiformes
- Pachyrhizodontidae
|
||||||||||
|
Pachyrhizodus sp.
Agassiz 1850
|
1 specimen | |||||||||
| vertebrae | ||||||||||
|
Actinopteri
- Ichthyodectiformes
- Saurodontidae
|
||||||||||
|
Saurocephalus sp.
Harlan 1824
|
2 specimens | |||||||||
| two crushed skulls | ||||||||||
|
Actinopteri
- Ichthyodectiformes
- Ichthyodectidae
|
||||||||||
|
Ichthyodectes sp.
Cope 1870
|
20 specimens | |||||||||
| 18 strings of vertebrae, portions of the tail, dentale, and maxilla | ||||||||||
|
Portheus sp.
Cope 1871
|
1 specimen | |||||||||
| one pair of lower jaws | ||||||||||
|
Chondrichthyes
- Lamniformes
- Anacoracidae
|
||||||||||
|
Corax sp.
Agassiz 1843
|
5 specimens | |||||||||
| synonym of Squalicorax | ||||||||||
| two teeth and three strings of vertebrae | ||||||||||
|
Cephalopoda
- Ammonitida
- Heteroceratidae
|
||||||||||
|
Heteroceras ? cochleatum
|
||||||||||
|
Scaphopoda
|
||||||||||
|
Entalis ? paupercula
|
||||||||||
|
Gastropoda
- Siphonariidae
|
||||||||||
|
Anisomyon subovulatus
|
||||||||||
|
Gastropoda
- Neogastropoda
- Fasciolariidae
|
||||||||||
|
Fasciolaria ? flexicostata
|
||||||||||
|
Gastropoda
- Aporrhaidae
|
||||||||||
|
Aporrhais biangulata
(Meek and Hayden 1856)
|
||||||||||
|
Gastropoda
- Vanikoridae
|
||||||||||
|
Vanikoro ambigua
|
||||||||||
|
Bivalvia
- Nuculanida
- Nuculanidae
|
||||||||||
|
Nuculana ? equilateralis
|
||||||||||
|
Bivalvia
- Nuculanida
- Yoldiidae
|
||||||||||
|
Yoldia ventricosa
|
||||||||||
|
Bivalvia
- Myalinida
- Inoceramidae
|
||||||||||
|
Inoceramus sagensis
|
||||||||||
| var. nebrascensis | ||||||||||
|
Inoceramus crispii
|
||||||||||
| var. barbabini | ||||||||||
|
Bivalvia
- Pectinida
- Pectinidae
|
||||||||||
|
Chlamys nebrascensis
|
||||||||||
|
Bivalvia
- Pectinida
- Oxytomidae
|
||||||||||
|
Pteria nebrascana
(Evans and Shumard 1857)
|
||||||||||
|
Bivalvia
- Pectinida
- Entoliidae
|
||||||||||
|
Syncyclonema rigida
|
||||||||||
|
Bivalvia
- Ostreida
- Pteriidae
|
||||||||||
|
Pteria linguiformis
|
||||||||||
|
Bivalvia
- Cardiida
- Cardiidae
|
||||||||||
|
Protocardia rara
|
||||||||||
|
Bivalvia
- Cardiida
- Veneridae
|
||||||||||
|
Callista deweyi
|
||||||||||
|
Callista peplucida
|
||||||||||
| see common names | ||||||||||
Geography
| Country: | United States | State/province: | Wyoming | County: | Niobrara |
| Coordinates: | 43.3° North, 104.2° West (view map) | ||||
| Paleocoordinates: | 49.2° North, 71.6° West | ||||
| Basis of coordinate: | based on nearby landmark | ||||
| Geographic resolution: | outcrop |
Time
| Period: | Cretaceous | Epoch: | Late/Upper Cretaceous |
| Stage: | Campanian | 10 m.y. bin: | Cretaceous 7 |
| Key time interval: | Campanian | ||
| Age range of interval: | 83.60000 - 72.10000 m.y. ago |
Stratigraphy
| Geological group: | Montana | Formation: | Pierre Shale |
| Stratigraphic resolution: | formation |
Lithology and environment
| Primary lithology: | "shale" |
| Includes fossils? | Y |
| Environment: | marine indet. |
Taphonomy
| Modes of preservation: | body |
| Size of fossils: | macrofossils |
| Preservation of anatomical detail: | medium |
| Abundance in sediment: | common |
| Fragmentation: | frequent |
| Spatial resolution: | parautochthonous |
Collection methods and comments
| Collection excludes: | some macrofossils | ||
| Collection methods: | survey of museum collection | ||
| Reason for describing collection: | general faunal/floral analysis | ||
| Collectors: | Amherst College | Collection dates: | 1903 |
Metadata
| Database number: | 105717 | ||
| Authorizer: | M. Carrano | Enterer: | H. Street |
| Modifier: | M. Carrano | Research group: | vertebrate |
| Created: | 2011-02-24 07:23:31 | Last modified: | 2012-01-31 17:10:33 |
| Access level: | the public | Released: | 2011-02-24 07:23:31 |
| Creative Commons license: | CC BY |