Amherst Collection at Mule Creek: Campanian, Wyoming
collected by Amherst College 1903
List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
Chondrichthyes
- Lamniformes
- Anacoracidae
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Corax sp.
Agassiz 1843
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5 specimens | |||||||||
synonym of Squalicorax | ||||||||||
two teeth and three strings of vertebrae | ||||||||||
Heteromi
- Stratodontidae
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Empo sp.
Cope 1872
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1 specimen | |||||||||
skull bones and vertebrae | ||||||||||
Actinopteri
- Crossognathiformes
- Pachyrhizodontidae
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Pachyrhizodus sp.
Agassiz 1850
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1 specimen | |||||||||
vertebrae | ||||||||||
Actinopteri
- Ichthyodectiformes
- Saurodontidae
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Saurocephalus sp.
Harlan 1824
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2 specimens | |||||||||
two crushed skulls | ||||||||||
Actinopteri
- Ichthyodectiformes
- Ichthyodectidae
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Ichthyodectes sp.
Cope 1870
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20 specimens | |||||||||
18 strings of vertebrae, portions of the tail, dentale, and maxilla | ||||||||||
Portheus sp.
Cope 1871
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1 specimen | |||||||||
one pair of lower jaws | ||||||||||
Reptilia
- Mosasauridae
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Platecarpus brachycephalus
Loomis 1915
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16 specimens | |||||||||
nomen dubium belonging to Platecarpus | ||||||||||
many parts of skeletons | ||||||||||
Reptilia
- Plesiosauria
- Elasmosauridae
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Elasmosaurus sp.
Cope 1868
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2 specimens | |||||||||
one paddle and part of a second | ||||||||||
Scaphopoda
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Entalis ? paupercula
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Cephalopoda
- Ammonitida
- Heteroceratidae
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Heteroceras ? cochleatum
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Gastropoda
- Siphonariidae
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Anisomyon subovulatus
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Gastropoda
- Vanikoridae
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Vanikoro ambigua
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Gastropoda
- Neogastropoda
- Fasciolariidae
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Fasciolaria ? flexicostata
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Gastropoda
- Aporrhaidae
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Aporrhais biangulata
(Meek and Hayden 1856)
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Bivalvia
- Nuculanida
- Nuculanidae
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Nuculana ? equilateralis
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Bivalvia
- Nuculanida
- Yoldiidae
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Yoldia ventricosa
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Bivalvia
- Cardiida
- Veneridae
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Callista deweyi
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Callista peplucida
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Bivalvia
- Cardiida
- Cardiidae
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Protocardia rara
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Bivalvia
- Myalinida
- Inoceramidae
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Inoceramus sagensis
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var. nebrascensis | ||||||||||
Inoceramus crispii
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var. barbabini | ||||||||||
Bivalvia
- Pectinida
- Pectinidae
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Chlamys nebrascensis
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Bivalvia
- Pectinida
- Oxytomidae
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Pteria nebrascana
(Evans and Shumard 1857)
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Bivalvia
- Pectinida
- Entoliidae
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Syncyclonema rigida
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Bivalvia
- Ostreida
- Pteriidae
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Pteria linguiformis
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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 |