Also known as Reef 4098
Where: Argentina (30.0° S, 69.0° W: paleocoordinates 38.8° S, 128.1° W)
• local area-level geographic resolution
When: Cordylodus angulatus conodont zone, La Silla Formation, Tremadocian (485.4 - 477.7 Ma)
• member-level stratigraphic resolution
Environment/lithology: deep subtidal shelf; lithified shale and grainstone
Size class: macrofossils
Collection methods: JA: marked by Novack-Gottshall without explanation as omitting some genera, some macrofossils, some microfossils, and species names, but apparently complete
Primary reference: M. Keller, F. Canas, O. Lehnert and N. E. Vaccari. 1994. The Upper Cambrian and Lower Ordovician of the Precordillera (Western Argentina): Some stratigraphic reconsiderations. Newsletters on Stratigraphy 31(2):115-132 [A. Miller/P. Novack-Gottshall/P. Wagner]more details
Purpose of describing collection: biostratigraphic analysis
PaleoDB collection 8880: authorized by Arnold Miller, entered by Phil Novack-Gottshall on 02.09.2000, edited by Mihaela Krause
Creative Commons license: CC BY (attribution)
Taxonomic list
Trilobita | |
Plethopeltis obtusus trilobite | |
Conodonta | |
Clavohamulus sp. conodont
Clavohamulus hintzei conodont | |
Oneotodus sp. Lindström 1955 conodont
Teridontus sp. Miller 1980 conodont | |
Cordylodus lindstromi Druce and Jones 1971 conodont
Cordylodus intermedius Furnish 1938 conodont
Cordylodus angulatus Pander 1856 conodont | |
Demospongiae | |
Amsassia argentina n. sp.
Amsassia argentina n. sp. chaetetid sponge | |
Nuia | |
Nuia sp. Maslov 1954 | |