San Lazaro Anticline4: Valanginian, Mexico

List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
Cephalopoda - Ammonitida - Neocomitidae
Thurmannites sp. Kilian and Reboul 1914
synonym of Thurmanniceras
"sp. A" - originally entered as "Thurmannites sp. A"
Thurmannites angusticostatus Imlay 1937
Thurmannites novihispanicus Imlay 1937
see common names

Geography
Country:Mexico State/province:Nuevo Leon
Coordinates: 25.8° North, 99.6° West (view map)
Paleocoordinates:22.7° North, 52.6° West
Basis of coordinate:based on political unit
Geographic resolution:small collection
Time
Period:Cretaceous Epoch:Early/Lower Cretaceous
Stage:Valanginian 10 m.y. bin:Cretaceous 1
*Epoch:Neocomian
Key time interval:Valanginian
Age range of interval:139.80000 - 132.60000 m.y. ago
* legacy (obsolete) database fields
Stratigraphy
Local section:San Lazaro anticline Local bed:4
Stratigraphic resolution:bed
Lithology and environment
Primary lithology: "limestone"
Geology comments: limestone, fine-grained, blue-grey, faintly laminated, contains ammonites of Valanginian age
Taphonomy
Modes of preservation:body,original calcite
Collection methods and comments
Collection methods:field collection
Reason for describing collection:taxonomic analysis
Metadata
Database number:2134
Authorizer:M. Patzkowsky Enterer:K. Layou
Modifier:C. Visaggi Research group:marine invertebrate
Created:1999-06-22 17:55:19 Last modified:2004-03-11 16:25:06
Access level:the public Released:2000-11-20 13:53:14
Creative Commons license:CC BY
Reference information

Primary reference:
64. R. W. Imlay. 1937. Lower Neocomian fossils from the Miquihuana region, Mexico. Journal of Paleontology 11(7):552-574 [M. Patzkowsky/K. Layou/J. Alroy]