Where: Chile (27.5° S, 70.3° W: paleocoordinates 27.7° S, 36.6° W)
• coordinate estimated from map
• outcrop-level geographic resolution
When: Pabellon Formation (Chanarcillo Group), Early/Lower Aptian (121.4 - 122.5 Ma)
• STRATIGRAPHIC RELATIONS: From the Pabellon Fm of the Chanarcillo Gp, for which lithostragraphic relations are not discussed. AGE: Early Aptian, on the basis of macrofossil biostratigraphy. STRATIGRAPHIC POSITION: From the middle part of the unit at this section.
• group of beds-level stratigraphic resolution
Environment/lithology: coastal; lithified, conglomeratic sandstone and lithified sandstone
Size class: macrofossils
Preservation: cast, mold/impression
Collection methods: surface (in situ),
• COLLECTORS: Presumably, the authors M. Cichowolski, F.A Mourgues, and E. Pérez d'A. REPOSITORY: SNGM (Servicio Nacional de Geologia y Mineria, Santiago, Chile).
Primary reference: M. Cichowolski, F. A. Mourgues, and E. Pérez. 2004. El género Cymatoceras (Nautilida) en el Cretácio Inferior de la Cuenca de Atacama, norte de Chile. Revista Geológica de Chile 31(1):119-131 [A. Hendy/A. Hendy]more details
Purpose of describing collection: taxonomic analysis
PaleoDB collection 83656: authorized by Austin Hendy, entered by Austin Hendy on 25.08.2008
Creative Commons license: CC BY (attribution)
Taxonomic list
Cephalopoda | |
Cymatoceras sp. Hyatt 1884 nautiloid |