Also known as Laguna del Laja

Where: Bío Bío, Chile (37.7° S, 71.2° W: paleocoordinates 38.2° S, 67.0° W)

• coordinate estimated from map

• local area-level geographic resolution

When: Cura-Mallín Formation, Santacrucian to Santacrucian (17.5 - 11.0 Ma)

• The ranges of these taxa suggest a Santacrucian SALMA for the high northern Trapa Trapa West fossil-producing levels. It is more difficult to correlate the fauna from the highest part of the Trapa Trapa West sequence to a specific SALMA, although it may be as young as Laventan

•Solorzano et al 2020: fossils from the Tcm3 unit (Flynn et al., 2008). The age of these fossil-bearing horizons is constrained to the late early Miocene, between 17.70 and 16.40 Ma (Fig. 1).

• group of beds-level stratigraphic resolution

Environment/lithology: fluvial-lacustrine; volcaniclastic, muddy sandstone and conglomerate

Size class: macrofossils

Collected in 2001-2005; reposited in the SGOPV

• Solorzano et al 2020: The rodents described here are housed at the Museo de Historia

•Natural de Concepción, Concepción, and the Museo Nacional de Historia Natural de Santiago, Chile

Primary reference: J. J. Flynn, R. Charrier, D. A. Croft, P.B. Gans, T. M. Herriott, J. A. Wertheim, and A. R. Wyss. 2008. Chronologic implications of new Miocene mammals from the Cura-Mallín and Trapa Trapa formations, Laguna del Laja area, south Central Chile. Journal of South American Earth Sciences 26:412-426 [C. Jaramillo/J. Carrillo]more details

Purpose of describing collection: biostratigraphic analysis

PaleoDB collection 140105: authorized by Carlos Jaramillo, entered by Juan Carrillo on 01.03.2013, edited by Miranta Kouvari and Philip Mannion

Creative Commons license: CC BY (attribution)