USGS Mesozoic 15947, Agua Salada Grant: Middle Turonian, New Mexico
collected by C.B. Hunt, H.R. Joesting, J.W. Wyckoff, G.F. Taylor, R.C. Becker; S.C. Hook, S.J. Frost 1931; 1978

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

Geography
Country:United States State/province:New Mexico County:Sandoval
Coordinates: 35.3° North, 107.1° West (view map)
Paleocoordinates:37.9° North, 73.4° West
Basis of coordinate:estimated from map
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:group of beds
Stratigraphy comments: AGE: Middle Turonian, on the basis of ammonoid biostratigraphy; Prionocyclus hyatti zone.
Lithology and environment
Primary lithology:concretionary lithified "shale"
Lithology description: limestone concretions in shales
Environment:marine indet.
Taphonomy
Modes of preservation:mold/impression
Size of fossils:macrofossils
Preservation of anatomical detail:good
Collection methods and comments
Reason for describing collection:taxonomic analysis
Museum repositories:USNM
Collectors:C.B. Hunt, H.R. Joesting, J.W. Wyckoff, G.F. Taylor, R.C. Becker; S.C. Hook, S.J. Frost Collection dates:1931; 1978
Metadata
Database number:77803
Authorizer:W. Kiessling, M. Clapham Enterer:U. Merkel, M. Clapham
Modifier:M. Clapham Research group:marine invertebrate
Created:2008-01-21 05:07:38 Last modified:2016-05-13 22:11:52
Access level:the public Released:2008-01-21 05:07:38
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]