Puerto Madryn: Burdigalian, Argentina

List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
Mammalia - Cetacea
Cione and Cozzuol 1990
Cione and Cozzuol 1990
Mammalia - Cetacea - Squalodelphinidae
1 specimen
(1 measurement)
Mammalia - Cetacea
Gaetán et al. 2025 2 specimens
Mammalia - Cetacea - Kentriodontidae
Cione and Cozzuol 1990 1 specimen
Cione and Cozzuol 1990
Mammalia - Cetacea - Physeteridae
1 specimen
    = Paracetus poucheti n. gen., n. sp. Moreno 1892
Moreno 1892
see common names

Geography
Country:Argentina State/province:Chubut
Coordinates: 42.8° South, 65.0° West (view map)
Paleocoordinates:42.3° South, 62.0° West (Wright 2013)
Basis of coordinate:estimated from map
Time
Period: Neogene Epoch: Miocene
Stage: Burdigalian 10 m.y. bin: Cenozoic 5
Key time interval: Burdigalian
Age range of interval: 20.45 - 15.98 m.y. ago
Stratigraphy
Formation:Gaiman
Stratigraphy comments: age and stratigraphy after Paolucci et al 2019
Lithology and environment
Primary lithology:tuffaceous,gray siltstone
Secondary lithology:tuffaceous,gray sandstone
Includes fossils?Y
Lithology description: light gray tuffaceous siltstones and sandstones
Environment:marginal marine indet.
Taphonomy
Modes of preservation:body,original phosphate
Size of fossils:macrofossils
Preservation of anatomical detail:good
Disassociated minor elements:all
Collection methods and comments
Collection methods:surface (in situ)
Reason for describing collection:general faunal/floral analysis
Metadata
Also known as:Bahia Nueva
Database number:45885
Authorizer:M. Uhen Enterer:M. Uhen
Modifier:M. Uhen Research group:vertebrate
Created:2004-12-11 13:56:23 Last modified:2025-02-22 15:12:02
Access level:the public Released:2004-12-11 13:56:23
Creative Commons license:CC0
Reference information

Primary reference:
12337. F. P. Moreno. 1892. Lijeros apuntes sobre dos generos de cetaceos fosiles de la Republica Argentina. Revista del Museo de La Plata 3:393-400 [M. Uhen/M. Uhen/M. Uhen]

Secondary references:

12218 F. Ameghino. 1901. L' age des Formations sedimentaires de Patagonie. Anales de la Sociedad Cientifica Argentina 52:189-197 [M. Uhen/M. Uhen/M. Uhen]
12217 A. L. Cione and M. A. Cozzuol. 1990. Reidentification of Portheus patagonicus Ameghino, 1901, a supposed fish from the Middle Tertiary of Patagonia as a delphinoid cetacean. Journal of Paleontology 64(3):451-453 [M. Uhen/M. Uhen/J. Alroy]
91089 C. M. Gaetán, M. R. Buono, Y. Tanaka, N. D. Farroni, and V. N. Milano. 2025. Echoes from the Miocene: tracing the anatomy and phylogeny of Prosqualodon australis (Cetacea: Odontoceti). Journal of Systematic Palaeontology 23(1):2455753 [M. Uhen/M. Uhen]
61675 F. Paolucci, M. R. Buono, M. S. Fernández, F. G. Marx, and J. I. Cuitiño. 2020. Diaphorocetus poucheti (Cetacea, Odontoceti, Physeteroidea) from Patagonia, Argentina: one of the earliest sperm whales. Journal of Systematic Palaeontology 18(4):335-355 [M. Uhen/B. Shipps/M. Uhen]
29133 A. Parras, M. Griffin, R. Feldmann, S. Casadio, C. Schweitzer and S. Marenssi. 2008. Correlation of marine beds based on Sr- and Ar-date determinations and faunal affinities across the Paleogene Neogene boundary in southern Patagonia, Argentina. Journal of South American Earth Sciences 26:204-216 [M. Uhen/M. Uhen]