CTA-63 (Miocene of Peru)

Where: Peru (7.4° S, 75.0° W: paleocoordinates 8.4° S, 70.6° W)

• coordinate stated in text

• outcrop-level geographic resolution

When: base Member (Pebas Formation), Early/Lower Miocene (23.0 - 16.0 Ma)

• Colhuehuapian SALMA

Environment/lithology: lacustrine; lithology not reported

• Lacustrine setting, marine influence

Size class: mesofossils

Primary reference: P. Antoine, M. A. Abello, S. Adnet, A. J. Altamirano Sierra, P. Baby, G. Billet, M. Boivin, Y. Calderón, A. Candela, J. Chabain, F. Corfu, D. A. Croft, M. Ganerød, C. Jaramillo, S. Klaus, L. Marivaux, R. E. Navarrete, M. J. Orliac, F. Parra, M. E. Pérez, F. Pujos, J. Rage, and A. R. 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. Mannion]more details

Purpose of describing collection: general faunal/floral analysis

PaleoDB collection 176149: authorized by Jelle Zijlstra, entered by Jelle Zijlstra on 29.01.2016

Creative Commons license: CC BY (attribution)

Taxonomic list

unclassified
  -
Gastropoda
 Rissooidea - Cochliopidae
Cochliopidae indet. Tryon 1866 snail
"pyritized moulds"
Dyris cf. lintea snail
"pyritized mould"
Dyris sp. Conrad 1871 snail
 Sorbeoconcha - Pachychilidae
Pachychilidae indet. Troschel 1857 snail
Chondrichthyes
 Myliobatiformes - Dasyatidae
Dasyatidae indet. Jordan 1888 whiptail stingray
teeth
 Myliobatiformes - Potamotrygonidae
Potamotrygon sp. Garman 1877 stingray
teeth
Actinopteri
 Teleostei -
 Characiformes - Cynodontidae
cf. Hydrolycus sp. Lundberg 1997
"several teeth"
 Heterognathi - Anostomidae
Anostomidae indet.
"tricuspid teeth, co-dominant"
Leporinus sp. Lundberg 1997
"co-dominant"
Reptilia
 Testudines - Panchelidae
? Chelidae indet. sideneck turtle
plate
 Testudines - Podocnemidae
Podocnemis sp. Wagler 1830 river turtle
"fragmentary carapace"
 Loricata - Sebecidae
cf. Langstonia sp. Paolillo and Linares 2007 crocodilian
"complete tooth"
 Crocodylia - Alligatoridae
Purussaurus sp. Barbosa Rodrigues 1892 crocodilian
"tooth fragments"
Caiman sp. Spix 1825 caiman
"occipital fragment"
 Crocodylia -
Gavialoidea indet. Brochu 1997 crocodilian
"several teeth and fragments"
 Squamata -
Squamata indet. Oppel 1811 squamates
"small-sized (1 vertebra)"
 Squamata - Teiidae
? Teiidae indet. Gray 1827 squamates
"?Teiidae/Tupinambidae indet. (1 tooth)"
Mammalia
 Sirenia - Trichechidae
Trichechinae indet. Gray 1825 manatee
"lower molar"
 Notoungulata - Toxodontidae
Toxodontidae indet. Ameghino 1889 notoungulate
"several hypselodont molar fragments"
 Notoungulata - Leontiniidae
? Leontiniidae indet. Ameghino 1894 notoungulate
"one protohypsodont molar fragment"
 Rodentia -
Caviomorpha indet. caviomorph
"?Cavioidea/Chinchilloidea indet. (molar fragment)"
 Rodentia - Dinomyidae
"Scleromys" sp. Ameghino 1887 caviomorph
right p4
 Rodentia -
Octodontoidea indet. Waterhouse 1839 caviomorph
"left tetralophodont molar + left dp4"
Protadelphomys sp. Ameghino 1902 caviomorph
left P4
 Cingulata - Dasypodidae
Dasypodini indet. Bonaparte 1850 armadillo
"fragmentary scute"
 Cingulata - Pampatheriidae
Pampatheriidae indet. Paula Couto 1954 edentate
scute
 Xenarthra - Mylodontidae
cf. Pseudoprepotherium sp. Hoffstetter 1961 edentate
"upper tooth"
 Xenarthra - Glyptodontidae
Parapropalaehoplophorus sp. Croft et al. 2007 glyptodon
scute
 Chiroptera - Emballonuridae
Emballonuridae indet. Dobson 1875 sac-winged bat
"large upper molar"
 Marsupialia -
Didelphimorphia "indet. 4" Gill 1872 marsupial
"small (one upper and one lower molar)"
Didelphimorphia "indet. 5" Gill 1872 marsupial
"M2 or M3"
 Paucituberculata - Caenolestidae
? Caenolestidae indet. Trouessart 1898 marsupial
"fragmentary m1"
unclassified
  -
Spermatophyta indet.
"silicified wood"