Rio de Las Minas (Eocene of Chile)

Where: Chile (53.1° S, 71.1° W: paleocoordinates 55.3° S, 61.4° W)

• coordinate stated in text

When: Loreto Formation, Late/Upper Eocene (37.2 - 33.9 Ma)

• late Eocene or Eocene-Oligocene boundary

• formation-level stratigraphic resolution

Environment/lithology: marine; concretionary, glauconitic sandstone

• well-sorted marine sandstones with glauconitic and concretionary horizons

Size class: macrofossils

Preservation: original phosphate

Primary reference: M. A. Sallaberry, R. E. Yury-Yanez, R. A. Otero, S. Soto-Acuna, and T. G. Torres. 2010. Eocene birds from the western margin of southernmost South America. Journal of Paleontology 84(6):1061-1070 [M. Uhen/M. Uhen/M. Uhen]more details

Purpose of describing collection: general faunal/floral analysis

PaleoDB collection 99478: authorized by Mark Uhen, entered by Mark Uhen on 12.11.2010, edited by Patricia Holroyd

Creative Commons license: CC BY (attribution)

Taxonomic list

Show authors, comments, and common names
Aves
 Sphenisciformes - Spheniscidae
Spheniscidae indet.
Spheniscidae indet. Bonaparte 1831 penguin
Chondrichthyes
 Elasmobranchii -
Elasmobranchii indet.
 Lamniformes - Mitsukurinidae
Striatolamia macrota
Striatolamia macrota Agassiz 1838 goblin shark
 Carcharhiniformes - Scyliorhinidae
Megascyliorhinus sp.
Megascyliorhinus sp. Cappetta and Ward 1977 cat shark
 Pristiophoriformes - Pristiophoridae
Pristiophorus sp.
Pristiophorus sp. Bleeker 1859 saw shark
 Myliobatiformes - Rhinopteridae
Rhinoptera sp.
Rhinoptera sp. Cuvier 1829 cownose ray
 Chimaeriformes - Callorhinchidae
Callorhinchus sp.
Callorhinchus sp. Lacépède 1798 plownose chimaera
 Chimaeriformes - Callorhynchidae
Ischyodus dolloi
Ischyodus dolloi plownose chimaera