Biohorizon in the Azygograptus lapworthi Biozone: Dapingian, Argentina

List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
Pterobranchia - Graptoloidea - Dichograptidae
Azygograptus lapworthi Nicholson 1875
see common names

Geography
Country:Argentina State/province:Jujuy
Coordinates: 22.1° South, 65.6° West (view map)
Paleocoordinates:31.9° South, 169.4° West (Wright 2013)
Basis of coordinate:estimated from map
Time
Period: Ordovician Epoch: Middle Ordovician
Stage: Dapingian 10 m.y. bin: Ordovician 2
Key time interval: Dapingian Graptolite zone:  Azygograptus lapworthi
Age range of interval: 471.3 - 469.4 m.y. ago
Stratigraphy
Lithology and environment
Primary lithology:fine,gray,green sandstone
Includes fossils?Y
Lithology description: Collected from equivalent levels corresponding to greenish-gray fine sandstones at La Quiaca area.
Environment:marine indet.
Taphonomy
Modes of preservation:body
Size of fossils:microfossils
Collection methods and comments
Collection methods:selective quarrying,field collection
Reason for describing collection:taxonomic analysis
Collection method comments: Material housed in the paleontological collection of the Centro de Investigaciones en Ciencias de la Tierra (CICTERRA), CONICET and Universidad Nacional de Córdoba, Córdoba, Argentina, under the prefix CEGH-UNC.
Metadata
Also known as:La Quiaca
Database number:214525
Authorizer:E. Vlachos Enterer:N. Herrera Sánchez
Created:2020-10-05 11:49:23 Last modified:2025-02-22 15:12:02
Access level:the public Released:2020-10-05 11:49:23
Creative Commons license:CC0
Reference information

Primary reference:
73980. B. A. Toro and N. C. Herrera Sánchez. 2019. Stratigraphical distribution of the Ordovician graptolite Azygograptus Nicholson & Lapworth in the Central Andean Basin (northwestern Argentina and southern Bolivia). Comptes Rendus Palevol 18:493-507 [E. Vlachos/N. Herrera Sánchez]