Mammal Quarry (Río de Las Chinas Valley) (Cretaceous to of Chile)

Where: Última Esperanza, Chile (50.7° S, 72.5° W: paleocoordinates 52.9° S, 60.5° W)

• coordinate stated in text

• small collection-level geographic resolution

When: Dorotea Formation, Late/Upper Campanian to Late/Upper Campanian (83.5 - 66.0 Ma)

• lower levels of the Dorotea Formation

• bed-level stratigraphic resolution

Environment/lithology: "floodplain"; sandy mudstone

• floodplain facies associated to a meandering fluvial deposit
• sandy mudstone with fine-grained sandstone lenses

Size class: macrofossils

Collected in 2017-2019

Primary reference: F. J. Goin, A. G. Martinelli, S. Soto-Acuña, E. C. Vieytes, L. M. E. Manríquez, R. A. Fernández, J. P. Pino, C. Trevisan, J. Kaluza, M. A. Reguero, M. Leppe, H. Ortiz, D. Rubilar-Rogers and A. O. Vargas. 2020. First Mesozoic mammal from Chile: the southernmost record of a late Cretaceous Gondwanatherian. Boletín del Museo Nacional de Historia Natural, Chile 69(1):5-31 [P. Mannion/P. Mannion]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 210648: authorized by Philip Mannion, entered by Philip Mannion on 11.06.2020

Creative Commons license: CC BY (attribution)

Taxonomic list

Mammalia
 Allotheria -
Magallanodon baikashkenke n. gen. n. sp. Goin et al. 2020 mammal
CPAP5916 - type; referred material: CPAP 3223, 3224 and 5906
 Meridiolestida - Mesungulatidae
Orretherium tzen n. gen. n. sp.
Orretherium tzen n. gen. n. sp. Martinelli et al. 2021 mammal
CPAP-5007 - type; hypodigm: CPAP-5008