Rio de Las Minas: Late/Upper Eocene, Chile

List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
Reptilia - Spheniscidae
Spheniscidae indet. Bonaparte 1831
Chondrichthyes - Chimaeriformes - Callorhynchidae
Ischyodus dolloi
Chondrichthyes - Chimaeriformes - Callorhinchidae
Callorhinchus sp. Lacépède 1798
Otero and Soto-Acuña 2015
Chondrichthyes
Elasmobranchii indet. (Bonaparte 1838)
Chondrichthyes - Myliobatiformes - Myliobatidae
Rhinoptera sp. Cuvier 1829
Otero and Soto-Acuña 2015
Chondrichthyes - Squalomorphii - Pristiophoridae
Pristiophorus sp. Bleeker 1859
Otero and Soto-Acuña 2015
Chondrichthyes - Carcharhiniformes - Scyliorhinidae
Megascyliorhinus sp. Cappetta and Ward 1977
Otero and Soto-Acuña 2015
Chondrichthyes - Lamniformes - Mitsukurinidae
Striatolamia macrota (Agassiz 1838)
original and current combination Otodus macrotus
see common names

Geography
Country:Chile
Coordinates: 53.1° South, 71.1° West (view map)
Paleocoordinates:55.3° South, 61.4° West
Basis of coordinate:stated in text
Time
Period:Paleogene Epoch:Eocene
Stage:Priabonian 10 m.y. bin:Cenozoic 3
Key time interval:Late/Upper Eocene
Age range of interval:37.71000 - 33.90000 m.y. ago
Stratigraphy
Formation:Loreto
Stratigraphic resolution:formation
Stratigraphy comments: late Eocene or Eocene-Oligocene boundary
Lithology and environment
Primary lithology:concretionary,glauconitic sandstone
Includes fossils?Y
Lithology description: well-sorted marine sandstones with glauconitic and concretionary horizons
Environment:marine indet.
Taphonomy
Modes of preservation:body,original phosphate
Size of fossils:macrofossils
Collection methods and comments
Reason for describing collection:general faunal/floral analysis
Metadata
Database number:99478
Authorizer:M. Uhen, P. Holroyd Enterer:M. Uhen, P. Holroyd
Modifier:M. Uhen Research group:vertebrate
Created:2010-11-12 07:40:21 Last modified:2021-06-30 18:47:07
Access level:the public Released:2010-11-12 07:40:21
Creative Commons license:CC BY
Reference information

Primary reference:

34241. 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]

Secondary references:

67973 R. A. Otero and S. Soto-Acuña. 2015. New chondrichthyans from Bartonian-Priabonian levels of Río de Las Minas and Sierra Dorotea, Magallanes Basin, Chilean Patagonia. Andean Geology 42(2):268-283 [P. Holroyd/P. Holroyd]
77288 M. Sallaberry, S. Soto-Acuña, R. Yury-Yáñez, J. Alarcón, and D. Rubilar-Rogers. 2015. Aves fósiles de Chile. Publicación Ocasional del Museo Nacional de Historia Natural, Chile 63:265-291 [M. Uhen/M. Uhen]