Biohorizon in the Azygograptus lapworthi Biozone of the Huaytiquina section: Dapingian, Argentina

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

Country:Argentina State/province:Salta
Coordinates: 23.8° South, 67.2° West (view map)
Paleocoordinates:41.3° South, 129.1° West
Basis of coordinate:estimated from map
Geographic resolution:hand sample
Period:Ordovician Epoch:Middle Ordovician
Stage:early Middle Ordovician 10 m.y. bin:Ordovician 2
Key time interval:Dapingian Graptolite zone: Azygograptus lapworthi
Age range of interval:470.00000 - 467.30000 m.y. ago
Lithology and environment
Primary lithology:volcaniclastic mudstone
Lithology description: Immature coarse-grained wackes carrying graptolites and brachiopods. Turbidite dominated sedimentary deposits. The fossil-bearing deposits correspond to the Puna Turbidite Complex sensu Astini (2003).
Environment:marine indet.
Modes of preservation:body
Size of fossils:microfossils
Collection methods and comments
Collection methods:survey of museum collection
Reason for describing collection:taxonomic analysis
Collection method comments: Cátedra de Paleontología General de la Universidad Nacional de Salta, Argentina (CNS-I 119/697:1-14).
Also known as:Huaytiquina section
Database number:214524
Authorizer:E. Vlachos Enterer:N. Herrera Sánchez
Created:2020-10-05 11:36:47 Last modified:2020-10-05 11:36:47
Access level:the public Released:2020-10-05 11:36:47
Creative Commons license:CC BY
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]