Where: San Juan, Argentina (31.3° S, 68.5° W: paleocoordinates 33.8° S, 134.5° W)
• outcrop-level geographic resolution
When: Climacograptus bicornis graptolite zone, Upper Member (La Cantera Formation), Caradocian (460.9 - 449.5 Ma)
• Villas (1995) notes that the clasts containing fossils probably originated from the underlying La Cantera formation. The upper half is Climacograptus bicornis zone, the lower half is Hustedograptus teretiusculus zone.
• formation-level stratigraphic resolution
Environment/lithology: marine; pebbly conglomerate
Size classes: macrofossils, mesofossils
Collection methods: chemical,
• "In order to enhance exposure of teeth and muscle scars, shells were dissolved with hydrochloric acid (10%).
Primary reference: T. M. Sanchez. 1999. New late Ordovician (Early Caradoc) Bivalves from the Sierra De Villicum (Argentine Precordillera). Journal of Paleontology 73(1):66-76 [A. Miller/R. Krause/P. Wagner] more details
Purpose of describing collection: taxonomic analysis
PaleoDB collection 13513: authorized by Arnold Miller, entered by Rich Krause on 10.04.2002, edited by Pete Wagner
Creative Commons license: CC BY (attribution)