Arroyo la Jardinera Section, P-190.4m (Jurassic of Argentina)

Where: Argentina (39.1° S, 70.9° W: paleocoordinates 38.2° S, 30.9° W)

• coordinate estimated from map

• hand sample-level geographic resolution

When: Los Molles Formation, Late/Upper Toarcian (180.1 - 175.6 Ma)

• bed-level stratigraphic resolution

Environment/lithology: basinal (siliceous); lithified, cherty/siliceous mudstone

• 78 samples of fine-grained sedimentary rocks, dominantly mudstones with high levels of dispersed silica, which compose a turbiditic section of the Los Molles Formation

Size class: microfossils

Preservation: original silica

Primary reference: K. G. D. Kochhann, S. Baecker-Fauth, I. Pujana, A. S. Silveira, and G. Fauth. 2011. Toarcian-Aalenian (Early-Middle Jurassic) radiolarian fauna from the Los Molles Formation, Neuquén Basin, Argentina: Taxonomy and paleobiogeographic affinities. Journal of South American Earth Sciences 31:253-261 [J. Pálfy/A. Kocsis/A. Kocsis]more details

Purpose of describing collection: general faunal/floral analysis

PaleoDB collection 130005: authorized by József Pálfy, entered by Adam Kocsis on 03.07.2012

Creative Commons license: CC BY (attribution)

Taxonomic list

Protozoa
 Radiolaria -
Spumellaria "indet. 1" Ehrenberg 1875 radiolarian