Quebrada de Meléndez [lower Pabellon Fm] (Cretaceous of Chile)

Where: Chile (27.5° S, 70.3° W: paleocoordinates 27.5° S, 36.1° W)

• coordinate estimated from map

• outcrop-level geographic resolution

When: Totoralillo Formation (Chanarcillo Group), Early/Lower Barremian (130.0 - 125.5 Ma)

• STRATIGRAPHIC RELATIONS: From the Totoralillo Fm of the Chanarcillo Gp, which is overlain by the Pabellon Fm. AGE: Early Barremian, on the basis of macrofossil biostratigraphy. STRATIGRAPHIC POSITION: From the upper part of the unit at this section.

• group of beds-level stratigraphic resolution

Environment/lithology: offshore; lithified, calcareous mudstone

• ENVIRONMENT: Shallow marine siliciclastic setting.
• SPECIFIC LITHOLOGY: Calcareous mudstone. LITHIFICATION: Lithified, on the basis of figured specimens.

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 83658: authorized by Austin Hendy, entered by Austin Hendy on 25.08.2008

Creative Commons license: CC BY (attribution)

Taxonomic list

• COVERAGE: Probably not exhaustive, but representative of common and biostratigraphically important Cephalopoda. NOMENCLATURE: Authoritative publication, with modern nomenclature and species-resolution identifications.
Show authors, comments, and common names
Cephalopoda
 Nautilida - Nautilidae
Cymatoceras cf. perstriatum
 Ammonitida - Oppeliidae
Sanmartinoceras africanum
Sanmartinoceras africanum ammonite
SUBSPECIES: insignicostatum
 Ammonitida - Crioceratitidae
Crioceratites aff. ermerici