Arroyo Uitpa: Aquitanian, Colombia

List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
Chondrichthyes - Myliobatiformes - Myliobatidae
Mobula sp. Rafinesque 1810
Chondrichthyes - Centrophoridae
Centrophorus sp. Müller and Henle 1837
Chondrichthyes - Dalatiidae
Dalatias cf. licha (Bonnaterre 1788)
Chondrichthyes - Lamniformes - Lamnidae
Isurus cf. oxyrinchus Rafinesque 1810
Chondrichthyes - Lamniformes - Alopiidae
Alopias cf. superciliosus (Lowe 1840)
Chondrichthyes - Lamniformes - Otodontidae
Carcharocles sp. Jordan 1923
Lamniformes indet. Berg 1958
    = Megalolamna paradoxodon Shimada et al. 2017
Shimada et al. 2017
Chondrichthyes - Carcharhiniformes - Carcharhinidae
Carcharhinus sp. de Blainville 1816
Carcharhinus gibbesii (Woodward 1889)
Chondrichthyes - Carcharhiniformes - Sphyrnidae
Sphyrna laevissima (Cope 1867)
Chondrichthyes - Carcharhiniformes - Hemigaleidae
Hemipristis serra Agassiz 1835
Chondrichthyes - Squalomorphii - Hexanchidae
Heptranchias cf. howellii (Reed 1946)
Chondrichthyes - Squalomorphii - Pristiophoridae
Pristiophorus sp. Bleeker 1859
Actinopteri
Teleostei indet. (Müller 1846)
see common names

Geography
Country:Colombia State/province:La Guajira County:Uitpa
Coordinates: 12.0° North, 71.4° West (view map)
Paleocoordinates:10.9° North, 67.4° West
Basis of coordinate:stated in text
Time
Period:Neogene Epoch:Miocene
Stage:Aquitanian 10 m.y. bin:Cenozoic 5
Key time interval:Aquitanian
Age range of interval:23.03000 - 20.44000 m.y. ago
Stratigraphy
Formation:Uitpa
Stratigraphy comments: The chondrichthyan-bearing strata lie at 0.5 to 10 m fom the base of the Uitpa Formation
Lithology and environment
Primary lithology: silty,calcareous sandstone
Lithology description: The lower part of the Uitpa Formation comprises well-differentiated layers of soft light brown shales and calcareous bioturbated siltysandstones presenting thin selenite layers
Environment:coastal indet.
Taphonomy
Modes of preservation:body
Size of fossils:macrofossils,mesofossils
Collection methods and comments
Collection excludes:all macrofossils,some genera
Collection methods:field collection
Reason for describing collection:taxonomic analysis
Metadata
Database number:182218
Authorizer:C. Jaramillo, P. Holroyd Enterer:C. Pimiento, P. Holroyd
Modifier:C. Pimiento
Created:2016-10-15 05:03:50 Last modified:2016-10-15 05:09:01
Access level:the public Released:2016-10-15 05:03:50
Creative Commons license:CC BY
Reference information

Primary reference:

60603. J. D. Carrillo-Briceño, T. Argyriou, V. Zapata, R. Kindlimann, and C. Jaramillo. 2016. A new Early Miocene (Aquitanian) Elasmobranchii assemblage from the la Guajira Peninsula, Colombia. Ameghiniana 53(2):77-99 [C. Jaramillo/C. Pimiento/M. Uhen]

Secondary references:

67362 K. Shimada, R. E. Chandler, O. Lok Tao Lam, T. Tanaka, and D. J. Ward. 2017. A new elusive otodontid shark (Lamniformes: Otodontidae) from the lower Miocene, and comments on the taxonomy of otodontid genera, including the ‘megatoothed’ clade. Historical Biology 29(5):704-714 [P. Holroyd/P. Holroyd]