Where: General de Saavedra, Bolivia (19.5° S, 65.3° W: paleocoordinates 43.9° S, 129.5° W)
• coordinate based on political unit
• local area-level geographic resolution
When: Anzaldo Formation, Caradoc to Caradoc (460.9 - 445.2 Ma)
• Unnamed formation. Egenhoff et al. (2007) indicate that this is the Anzaldo formation and of late Caradoc age.
• formation-level stratigraphic resolution
Environment/lithology: transition zone or lower shoreface; lithified, concretionary sandstone
•
•Boucot: The specimens are preserved as casts and molds in rusty weathering, brown sandstone.
Size class: macrofossils
Preservation: cast
Reposited in the USNM
• JA: marked by Novack-Gottshall without explanation as omitting some genera, some macrofossils, some microfossils, and species names, but apparently complete
Primary reference: L. Branisa. 1965. Los fosiles guias de Bolivia: I. Paleozoico. Boletin de Servicio Geologico de Bolivia. La Paz, Bolivia 6:1-282 [A. Miller/P. Novack-Gottshall/P. Wagner]more details
Purpose of describing collection: biostratigraphic analysis
PaleoDB collection 9102: authorized by Arnold Miller, entered by Phil Novack-Gottshall on 22.09.2000
Creative Commons license: CC BY (attribution)
Taxonomic list
Gastropoda | |
Gyrospira tourteloti n. gen. n. sp.
Gyrospira tourteloti n. gen. n. sp. Boucot 1956 snail | |
Bivalvia | |
? Parallelodon sp. Meek and Worthen 1866 clam | |
"Pterinea" sp. Goldfuss 1832 oyster | |
? Modiomorpha sp. Hall and Whitfield 1869 clam | |
? Grammysia sp. de Verneuil 1847 clam | |
"Goniophorina" sp. Isberg 1934 clam | |
"Ctenodonta" sp. Salter 1852 clam | |
Trilobita | |
Leiostegina inexpectons trilobite |