Zamaca, south: Bartonian, Peru

List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
Mammalia - Cetacea - Basilosauridae
Perucetus colossus n. gen., n. sp. Bianucci et al. 2023
1 specimen
MUSM 3248
see common names

Geography
Country:Peru State/province:Ica
Coordinates: 14.7° South, 75.6° West (view map)
Paleocoordinates:17.2° South, 67.6° West
Time
Period: Paleogene Epoch: Eocene
Stage: Bartonian 10 m.y. bin: Cenozoic 3
Key time interval: Bartonian
Age range of interval: 41.2 - 37.71 m.y. ago
Stratigraphy
Formation:Paracas Member:Yumaque
Stratigraphy comments: geological age is well constrained between 39.8 million and 37.84 million years ago (Bartonian, middle Eocene) through biostratigraphy and 39Ar–40Ar dating on tephra layer.
Lithology and environment
Primary lithology: not reported
Environment:marine indet.
Taphonomy
Modes of preservation:body
Size of fossils:macrofossils
Collection methods and comments
Reason for describing collection:general faunal/floral analysis
Metadata
Database number:231077
Authorizer:M. Uhen Enterer:M. Uhen
Research group:vertebrate
Created:2023-08-02 11:49:58 Last modified:2023-08-02 11:49:58
Access level:the public Released:2023-08-02 11:49:58
Creative Commons license:CC BY
Reference information

Primary reference:
85527. G. Bianucci, O. Lambert, M. Urbina, M. Merella, A. Collareta, R. Bennion, R. Salas-Gismondi, A. Benites-Palomino, K. Post, C. Muizon, G. Bosio, C. Di Celma, E. Malinverno, P. R. Pierantoni, I. M. Villa and E. Amson. 2023. A heavyweight early whale pushes the boundaries of vertebrate morphology. Nature [M. Uhen/M. Uhen]