9697-Eastern Durango: Berriasian, Mexico

List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
Bivalvia - Ostreida - Gryphaeidae
Exogyra reedi Imlay 1937
Bivalvia - Pectinida - Pectinidae
Camptonectes sp. Meek 1864
Bivalvia - Pectinida - Plicatulidae
Plicatula pulchra Imlay 1940
aff. Plicatula azulensis Imlay 1940
originally entered as "Plicatula aff. azulensis"
Gastropoda - Vermetidae
Vermetus cornejoi (Castillo and Aguilera 1895)
"cornejoi var. varians" - originally entered as "Vermetus cornejoi var. varians"
Rhynchonellata - Rhynchonellida - Rhynchonellidae
"Rhynchonella" durangensis n. sp. Imlay 1940
(1 measurement)
see common names

Geography
Country:Mexico State/province:Durango
Coordinates: 24.2° North, 102.8° West (view map)
Paleocoordinates:20.9° North, 55.2° West
Basis of coordinate:based on political unit
Geographic resolution:small collection
Time
Period: Cretaceous Epoch: Early Cretaceous
Stage: Berriasian 10 m.y. bin: Cretaceous 1
*Epoch:Neocomian
Key time interval: Berriasian
Age range of interval: 145 - 139.8 m.y. ago
* legacy (obsolete) database fields
Stratigraphy
Formation:Carbonera
Local section:Locality96-97 Local bed:18ft/38ft from bottom of the section
Lithology and environment
Primary lithology: sandy "shale"
Taphonomy
Collection methods and comments
Collection methods:field collection
Reason for describing collection:taxonomic analysis
Metadata
Database number:2156
Authorizer:M. Patzkowsky, M. Clapham Enterer:K. Layou, M. Clapham
Modifier:C. Visaggi Research group:marine invertebrate
Created:1999-06-23 08:08:33 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:
65. R. W. Imlay. 1940. Neocomian Faunas of Northern Mexico. Geological Society America Bulletin 51(1):117-190 [M. Patzkowsky/K. Layou/A. Clement]