MNA Loc. 265: sandstone facies, upper ss, Dakota: Late/Upper Cenomanian, Arizona
List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
unclassified
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Pyncnodonte newberryi
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Pyncnodonte newberryi newberryi | ||||||||||
Cephalopoda
- Ammonitida
- Acanthoceratidae
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Calycoceras obrieni
Young 1957
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synonym of Calycoceras (Calycoceras) naviculare | ||||||||||
Metoicoceras mosbyense
Cobban 1953
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Bivalvia
- Cardiida
- Cardiidae
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Granocardium trite
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synonym of Trachycardium | ||||||||||
Bivalvia
- Cardiida
- Veneridae
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Aphrodina cf. munda
(Stephenson 1952)
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Bivalvia
- Ostreida
- Pteriidae
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Phelopteria dalli
Stephenson 1936
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Bivalvia
- Ostreida
- Pinnidae
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Pinna petrina
White 1874
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Bivalvia
- Ostreida
- Gryphaeidae
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Exogyra olisiponensis
Sharpe 1850
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recombined as Costagyra olisiponensis | ||||||||||
Rhynchostreon levis
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(smooth form) | ||||||||||
Bivalvia
- Ostreida
- Ostreidae
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Lopha staufferi
(Bergquist 1944)
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Bivalvia
- Pectinida
- Plicatulidae
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Plicatula hydrotheca
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Bivalvia
- Pectinida
- Pectinidae
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Camptonectes platessa
White 1874
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Gastropoda
- Naticidae
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Gyrodes cf. tramitensis
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see common names |
Geography
Country: | United States | State/province: | Arizona | County: | Navajo |
Coordinates: | 36.0° North, 111.0° West (view map) | ||||
Paleocoordinates: | 37.4° North, 74.2° West | ||||
Basis of coordinate: | stated in text | ||||
Geographic resolution: | small collection |
Time
Period: | Cretaceous | Epoch: | Late/Upper Cretaceous |
Stage: | Cenomanian | 10 m.y. bin: | Cretaceous 5 |
Key time interval: | Late/Upper Cenomanian | ||
Age range of interval: | 100.50000 - 93.90000 m.y. ago |
Stratigraphy
Formation: | Dakota | Member: | upper sandstone | Local bed: | sandstone facies |
Local order: | bottom to top | ||||
Regional section: | Black Mesa | ||||
Stratigraphic resolution: | bed | ||||
Stratigraphy comments: Collection comes from the upper Cenomanian Metoicoceras mosbyensis Zone |
Lithology and environment
Primary lithology: | lithified sandy sandstone | ||
Environment: | estuary/bay | Tectonic setting: | foreland basin |
Glacial or sequence phase: | transgressive systems tract |
Taphonomy
Modes of preservation: | mold/impression,recrystallized |
Size of fossils: | macrofossils,microfossils |
Preservation of anatomical detail: | good |
Abundance in sediment: | common |
Disassociated major elements: | some |
Temporal resolution: | condensed |
Collection methods and comments
Collection excludes: | some microfossils |
Collection methods: | bulk,selective quarrying,field collection |
Reason for describing collection: | taxonomic analysis |
Museum repositories: | NMMNH |
Metadata
Database number: | 54118 | ||
Authorizer: | P. Harries | Enterer: | P. Harries |
Modifier: | P. Harries | Research group: | marine invertebrate |
Created: | 2005-09-23 03:38:16 | Last modified: | 2005-09-23 06:38:16 |
Access level: | the public | Released: | 2005-09-23 03:38:15 |
Creative Commons license: | CC BY |
Reference information
Primary reference:
14403. | J. I. Kirkland. 1996. Paleontology of the Greenhorn cylcothem (Cretaceous: late Cenomanian to middle Turonian) at Black Mesa, northeastern Arizona. New Mexico Museum of Natural History and Science Bulletin 9:1-131 [P. Harries/P. Harries/P. Harries] |