Where: Argentina (31.0° S, 69.0° W: paleocoordinates 36.0° S, 130.8° W)
• local area-level geographic resolution
When: San Juan Formation, Arenig (478.6 - 466.0 Ma)
• Upper Arenig section of San Juan Fm.
• formation-level stratigraphic resolution
Environment/lithology: shallow subtidal; lithified, gray, argillaceous, cherty/siliceous limestone and marl
Collection methods: Brachiopod, bryozoan, conodont, and trilobite taxonomy and biostrat.
Primary reference: J. L. Benedetto and Z.A. Herrera. 1993. New early Ordovician Leptellinae (Brachiopoda) from the San Juan Formation, west-central Argentina. Ameghiniana 30:39-58 [A. Miller/P. Novack-Gottshall/J. Alroy]more details
Purpose of describing collection: taxonomic analysis
PaleoDB collection 8746: authorized by Arnold Miller, entered by Phil Novack-Gottshall on 28.08.2000
Creative Commons license: CC BY (attribution)
Taxonomic list
| Conodonta | |
|
Parapanderodus sp. Stouge 1984 conodont | |
|
Erraticodon sp. Dzik 1978 conodont | |
|
Strachanognathus sp. conodont | |
|
Ansella sp. conodont | |
|
Juanognathus sp. Serpagli 1974 conodont | |
|
? Semiacontiodus sp. conodont | |
| Strophomenata | |
|
Tritoechia sp. Ulrich and Cooper 1936 | |
|
Leptella sp. Hall and Clarke 1892
Niquivilia sp. Benedetto and Herrera 1993 | |
| Stenolaemata | |
|
Nicholsonella sp. Ulrich 1890 | |
| Trilobita | |
|
Annamitella sp. Mansuy 1920 trilobite | |