ammonites
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Near Aiuruoca municipality (Oligocene of Brazil)

Where: Minas Gerais, Brazil (22.0° S, 44.6° W: paleocoordinates 22.7° S, 37.3° W)

• coordinate based on nearby landmark

• outcrop-level geographic resolution

When: Entre-Córregos Formation, Rupelian (33.9 - 28.4 Ma)

• group of beds-level stratigraphic resolution

Environment/lithology: lacustrine - large; lithified, micaceous shale

• The shale founded the fossils presents millimetric and centimetric laminations, with detritic mica. Its colour pattern is generally grey, but varies from brown to greenish grey.

Size class: macrofossils

Preservation: adpression

Collection methods: Repository: University of Guarulhos Paleontological Collection (UnG)

Primary reference: R. G. Martins-Neto. 2001. Review of some Insecta from Mesozoic and Cenozoic Brazilian deposits with descriptions of new taxa. Acta Geologica Leopoldensia 24(52/53):115-124 [M. Clapham/M. Clapham] more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 156168: authorized by Matthew Clapham, entered by Matthew Clapham on 11.05.2014

Creative Commons license: CC BY (attribution)