Arroyo Malo, levels 1704, 1705, 1706 (Jurassic of Argentina)

Where: Mendoza, Argentina (34.8° S, 69.9° W: paleocoordinates 38.7° S, 28.7° W)

• coordinate estimated from map

When: Angulata (201.3 - 196.5 Ma)

• Higher up in Waehneroceras-Schlotheimia assemblage zone

Environment/lithology: marine; lithified mudstone and lithified shale

• Includes mudstone, shale, and limestone.

Size class: macrofossils

Collection methods: Repository: Museo de La Plata (MLP)

Primary reference: A. C. Riccardi, S. E. Damborenea, M. O. Mancenido and S. C. Ballent. 1991. Hettangian and Sinemurian (Lower Jurassic) biostratigraphy of Argentina. Journal of South American Earth Sciences 4(3):159-170 [A. Miller/D. Schramm/M. Uhen]more details

Purpose of describing collection: biostratigraphic analysis

PaleoDB collection 181952: authorized by Matthew Clapham, entered by Matthew Clapham on 08.10.2016

Creative Commons license: CC BY (attribution)

Taxonomic list

 Ammonitida - Arietitidae
 Ammonitida - Schlotheimiidae
Schlotheimia sp. Bayle 1878 ammonite
Schlotheimia cf. polyptycha Lange/complanata Koenen