USGS Mesozoic 15792, Bernabe M. Montano Grant: Middle Turonian, New Mexico
collected by C.B. Hunt 1930

List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
Cephalopoda - Ammonitida - Coilopoceratidae
Hoplitoides sandovalensis Cobban and Hook 1980
Cephalopoda - Ammonitida - Acanthoceratidae
Spathites puercoensis (Herrick and Johnson 1900)
Cobban 1988
Romaniceras (Romaniceras) mexicanum (Jones 1938)
Kennedy and Cobban 1988
Romaniceras (Obiraceras) sp. (Matsumoto 1975)
Kennedy and Cobban 1988
see common names

Geography
Country:United States State/province:New Mexico County:Sandoval
Coordinates: 35.3° North, 107.0° West (view map)
Paleocoordinates:37.8° North, 73.2° West
Basis of coordinate:based on nearby landmark
Geographic resolution:outcrop
Time
Period:Cretaceous Epoch:Late/Upper Cretaceous
Stage:Turonian 10 m.y. bin:Cretaceous 6
Key time interval:Middle Turonian Ammonoid zone: Prionocyclus hyatti
Age range of interval:93.90000 - 89.80000 m.y. ago
Stratigraphy
Formation:Mancos Shale
Stratigraphic resolution:bed
Lithology and environment
Primary lithology: lithified "shale"
Environment:marine indet.
Taphonomy
Modes of preservation:body
Size of fossils:macrofossils
Collection methods and comments
Reason for describing collection:taxonomic analysis
Museum repositories:USNM
Collectors:C.B. Hunt Collection dates:1930
Metadata
Database number:178765
Authorizer:M. Clapham Enterer:M. Clapham
Modifier:M. Clapham Research group:marine invertebrate
Created:2016-05-13 23:41:53 Last modified:2016-05-15 23:45:50
Access level:the public Released:2016-05-13 23:41:53
Creative Commons license:CC BY
Reference information

Primary reference:

26278.1% 12360W. A. Cobban and S. C. Hook. 1980. The Upper Cretaceous (Turonian) ammonite family Coilopoceratidae Hyatt in the Western Interior of the United States. United States Geological Survey Professional Paper 1192:1-28 [W. Kiessling/U. Merkel]

Secondary references:

59064 W. A. Cobban. 1988. The Late Cretaceous ammonite Spathites Kummel & Decker in New Mexico and Trans-Pecos Texas. New Mexico Bureau of Mines & Mineral Resources Bulletin 114:5-21 [M. Clapham/M. Clapham]
59153 W. J. Kennedy and W. A. Cobban. 1988. The Late Cretaceous ammonite Romaniceras Spath, 1923, in New Mexico. New Mexico Bureau of Mines & Mineral Resources Bulletin 114:23-34 [M. Clapham/M. Clapham]