CTA-75: Serravallian - Tortonian, Peru

List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
unclassified
Serrasalminae informal pacu-like
"several teeth"
Serrasalminae informal piranha-like
"several teeth"
Malacostraca - Decapoda - Trichodactylidae
Trichodactylidae indet. Milne-Edwards 1853
Bivalvia
Bivalvia indet. Linnaeus 1758
"large shells"
Reptilia
Gavialoidea indet. Brochu 1997
"several teeth & fragments"
Caimaninae indet. Brochu 1999
"teeth and fragments"
Reptilia - Testudines
Chelonia indet. (Latreille 1800)
synonym of Testudines
"shell fragments"
Mammalia - Cingulata - Dasypodidae
Dasypodidae indet. (Gray 1821)
1 element
"one minute ?cephalic scute"
Mammalia - Chiroptera - Emballonuridae
Emballonuridae indet. Dobson 1875
1 element
lower canine
Mammalia - Panameriungulata
Litopterna indet. Ameghino 1889
2 elements
"fragmentary lower tooth; distal tibia"
Mammalia - Rodentia - Dinomyidae
Potamarchus sp. Burmeister 1885
1 element
"(left M3), same taxon as in CTA-44"
Mammalia - Rodentia
Acarechimys sp. Patterson 1965
"same taxon as in CTA-43"
Actinopteri - Siluriformes - Loricariidae
Loricariidae indet. Gill 1872
3 elements
"three muffel-like teeth"
Actinopteri - Characiformes
Characiformes informal hook-like teeth
Actinopteri - Characiformes - Anostomidae
Anostomidae indet.
"tricuspid teeth"
Leporinus sp. Lundberg 1997
"several teeth"
Actinopteri - Characiformes - Cynodontidae
cf. Hydrolycus sp. Lundberg 1997
"several teeth"
Chondrichthyes - Rhinopristiformes - Pristidae
Pristis sp. Linck 1790
2 elements
"rostral teeth"
Chondrichthyes - Myliobatiformes - Potamotrygonidae
Potamotrygonidae indet.
"oral teeth"
Potamotrygon cf. motoro
"same in CTA-44"
see common names

Geography
Country:Peru
Coordinates: 7.4° South, 75.0° West (view map)
Paleocoordinates:7.8° South, 72.6° West
Basis of coordinate:stated in text
Geographic resolution:outcrop
Time
Period:Neogene Epoch:Miocene
Key time interval:Serravallian - Tortonian Mammal zone: Mayoan
Age range of interval:13.82000 - 7.24600 m.y. ago
Stratigraphy
Formation:Pebas Member:top
Stratigraphy comments: Mayoan-Chasicoan SALMA
Lithology and environment
Primary lithology: not reported
Environment:fluvial indet.
Taphonomy
Modes of preservation:body
Size of fossils:mesofossils
Collection methods and comments
Reason for describing collection:general faunal/floral analysis
Metadata
Database number:176156
Authorizer:J. Zijlstra Enterer:J. Zijlstra
Modifier:G. Varnham Research group:vertebrate
Created:2016-01-29 23:53:19 Last modified:2022-04-28 05:18:33
Access level:the public Released:2016-01-29 23:53:19
Creative Commons license:CC BY
Reference information

Primary reference:

57830. P. Antoine, M. A. Abello, S. Adnet, A. J. A. Sierra, P. Baby, G. Billet, M. Boivin, Y. Calderón, A. Candela, J. Chabain, and F. Corfu. 2016. A 60-million-year Cenozoic history of western Amazonian ecosystems in Contamana, eastern Peru. Gondwana Research 31:30-59 [J. Zijlstra/J. Zijlstra/P. Wagner]