Hueso Blanco: Tortonian, Peru

List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
Reptilia - Suliformes - Sulidae
Reptilia - Spheniscidae
Spheniscus sp. Brisson 1760
Reptilia - Gavialidae
Mammalia - Nothrotheriidae
Mammalia - Cetacea - Phocoenidae
Mammalia - Cetacea
Mammalia - Carnivora - Phocidae
Actinopteri - Clupeiformes - Clupeoidei
Sardinops sp. Hubbs 1929
see common names

Geography
Country:Peru
Coordinates: 15.5° South, 74.8° West (view map)
Paleocoordinates:14.9° South, 72.6° West (Wright 2013)
Basis of coordinate:stated in text
Geographic resolution:small collection
Time
Period: Neogene Epoch: Miocene
Stage: Tortonian 10 m.y. bin: Cenozoic 6
Key time interval: Tortonian
Age range of interval: 11.63 - 7.246 m.y. ago
Stratigraphy
Formation:Pisco
Regional section:Brand Regional bed:LM 10
Stratigraphic resolution:bed
Stratigraphy comments: Brand et al. (2011) argued that the sediment package exposed at Hueso Blanco (featuring the LM 10 marker bed) is roughly correlative with the El Jahuay (ELJ) vertebrate level of de Muizon and DeVries (1985) and de Muizon (1988). In turn, Lambert and de Muizon (2013) reattributed the LM 10 marker bed to the Aguada de Lomas (AGL) vertebrate level, based on faunal and sedimentary similarities (de Muizon and DeVries, 1985; de Muizon, 1988). Based on K/Ar dating of underlying tuff layers, the AGL vertebrate level is considered younger than 7.93 Ma (about 7.5–7.0 Ma) (de Muizon and DeVries, 1985; de Muizon and Bellon, 1986; Lambert and de Muizon, 2013). Finally, 87Sr/86Sr analyses on marine mollusc shells bracketed the age of the AGL level between 7.46 Ma and 7.30 Ma (Ehret et al., 2012).
Lithology and environment
Primary lithology:fine sandstone
Includes fossils?Y
Lithology description: The sediment package exposed at Hueso Blanco (bed LM 10 in Brand et al., 2011) is about 15 m thick and consists mainly of sparsely to moderately bioturbated, well-sorted, fine- to medium- grained sandstones (Electronic supplementary material; Fig. S1).
Environment:marine indet.
Taphonomy
Modes of preservation:body,trace
Size of fossils:macrofossils
Feeding/predation traces:tooth marks
Collection methods and comments
Reason for describing collection:paleoecologic analysis
Metadata
Database number:183918
Authorizer:M. Uhen Enterer:M. Uhen
Modifier:M. Kouvari Research group:vertebrate
Created:2017-01-18 13:27:11 Last modified:2025-02-22 15:12:02
Access level:the public Released:2017-01-18 13:27:11
Creative Commons license:CC0
Reference information

Primary reference:
61392. A. Collareta, O. Lambert, W. Landini, C. Di Celma, E. Malinverno, R. M. Varas-Malca, M. Urbina and G. Bianucci. 2017. Did the giant extinct shark Carcharocles megalodon target small prey? Bite marks on marine mammal remains from the late Miocene of Peru. Palaeogeography, Palaeoclimatology, Palaeoecology 469:84-91 [M. Uhen/M. Uhen/O. Alfaro]