Los Chivos Hill, Cerro Barcino (Cretaceous of Argentina)

Where: Chubut, Argentina (43.0° S, 69.0° W: paleocoordinates 44.7° S, 36.3° W)

• coordinate estimated from map

• outcrop-level geographic resolution

When: Puesto La Paloma Member (Cerro Barcino Formation), Late/Upper Aptian (122.5 - 113.0 Ma)

• Ages are found Krause et al. 2020 and Carballido et al. 2017. The contact zones between Puesto La Paloma and Cerros Castaño is approximately Aptian-Early Albian at ~118.5-110.8 Ma.

• bed-level stratigraphic resolution

Environment/lithology: lacustrine - small; tuffaceous, cherty/siliceous mudstone

• shallow lacustrine
• "tuffaceous mudstone strata with a chert intercalation near the top; mudstones are massive by bioturbation in the base and pass upward to levels with plane parallel lamination or asymmetrical ripples."

Size class: macrofossils

Collection methods: surface (float), surface (in situ),

Primary reference: M. C. de la Fuente, A. M. Umazano, J. Sterli and J. L. Carballido. 2011. New chelid turtles of the lower section of the Cerro Barcino Formation (Aptian-Albian?), Patagonia, Argentina. Cretaceous Research 32:527-537 [M. Carrano/M. Carrano]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 26372: authorized by Matthew Carrano, entered by Matthew Carrano on 14.10.2002

Creative Commons license: CC BY (attribution)

Taxonomic list

Show authors, comments, and common names
unclassified
  -
Plantae indet.
Plantae indet. Haeckel 1866
logs
Reptilia
 Testudines - Chelidae
Prochelidella cerrobarcinae n. sp.
Prochelidella cerrobarcinae n. sp. de la Fuente et al. 2011 sideneck turtle
MPEF-PV 3287-3297