ammonites
banner
Gateway to the Paleobiology Database
Companhia National de Cimento Portland Quarry (Paleocene to of Brazil)

Also known as São José de Itaborai

Where: Rio de Janeiro, Brazil (22.7° S, 43.2° W: paleocoordinates 25.6° S, 31.6° W)

• coordinate based on nearby landmark

• small collection-level geographic resolution

When: Itaboraian mammal zone, Late/Upper Paleocene to Late/Upper Paleocene (58.7 - 48.6 Ma)

• "Late Palaeocene"

• group of beds-level stratigraphic resolution

Environment/lithology: fissure fill; limestone

• "fissures"
• "freshwater limestone"

Size class: macrofossils

Collected in 1967, 1968

• material is in the collection of the Divisão de Geologia e Mineralogia of the Departmento Nacional da Produçao Mineral

Primary reference: R. Estes and M. H. Wake. 1972. The first fossil record of caecilian amphibians. Nature 239:228-231 [J. Alroy/J. Alroy/J. Alroy] more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 77193: authorized by John Alroy, entered by John Alroy on 29.12.2007

Creative Commons license: CC BY (attribution)