SJF09. Las Aguaditas Type Section.: Darriwilian, Argentina

List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
Conodonta - Belodellida - Ansellidae
Ansella jemtlandica (Löfgren 1978)
3 specimens
Conodonta - Prioniodontida - Acodontidae
Pteracontiodus cryptodens
4 specimens
Drepanodus arcuatus Pander 1856
3 specimens
synonym of Acodus similaris
Conodonta - Prioniodontida - Paracordylodontidae
Fahraeusodus informal n. sp.
3 specimens
Conodonta - Panderodontida - Panderodontidae
Parapanderodus paracornuformis
1 specimen
Conodonta - Protopanderodontida - Cornuodontidae
Cornuodus longibasis (Lindström 1955)
5 specimens
Conodonta - Protopanderodontida - Drepanoistodontidae
Drepanoistodus sp. Lindstrom 1971
1 specimen
Drepanoistodus costatus (Abaimova 1971)
1 specimen
Paroistodus secundus (Albanesi 1998)
8 specimens
original and current combination Paroistodus horridus secundus
Paroistodus horridus secundus
Paroistodus primus (Albanesi 1998)
5 specimens
original and current combination Paroistodus horridus primus
Paroistodus horridus primus
Paroistodus originalis (Sergeeva 1963)
1 specimen
Conodonta - Protopanderodontida - Acanthodontidae
Parapaltodus simplicissimus
1 specimen
Conodonta - Protopanderodontida - Oneotodontidae
Semiacontiodus potrerillensis
8 specimens
Conodonta - Protopanderodontida - Protopanderodontidae
Protopanderodus gradatus
3 specimens
Juanognathus jaanussoni
3 specimens
Conodonta - Ozarkodinida
Periodon macrodentatus (Graves and Ellison 1941)
18 specimens
see common names

Geography
Country:Argentina
Coordinates: 30.4° South, 68.8° West (view map)
Paleocoordinates:35.1° South, 132.3° West
Basis of coordinate:estimated from map
Geographic resolution:small collection
Time
Period:Ordovician Epoch:Middle Ordovician
Stage:Darriwilian 10 m.y. bin:Ordovician 3
Key time interval:Darriwilian
Age range of interval:467.30000 - 458.40000 m.y. ago
Stratigraphy
Formation:San Juan
Local section:Las Aguaditas Type Section Local bed:3 m
Local order:bottom to top
Stratigraphic resolution:bed
Lithology and environment
Primary lithology: lithified wackestone
Secondary lithology: lithified lime mudstone
Environment:open shallow subtidal
Taphonomy
Modes of preservation:body
Size of fossils:macrofossils
Collection methods and comments
Collection methods:field collection
Reason for describing collection:taxonomic analysis
Metadata
Database number:210374
Authorizer:P. Wagner Enterer:P. Wagner
Research group:marine invertebrate
Created:2020-05-31 12:17:04 Last modified:2020-05-31 12:17:04
Access level:the public Released:2020-05-31 12:17:04
Creative Commons license:CC BY
Reference information

Primary reference:

72581. N. A. Feltes, G. L. Albanesi, and S. M. Bergström. 2016. Conodont biostratigraphy and global correlation of the middle Darriwilian-lower Sandbian (Ordovician) Las Aguaditas Formation, Precordillera of San Juan, Argentina. Andean Geology 43(1):60-85 [P. Wagner/P. Wagner]