CTA-63 (Miocene of Peru)

Where: Peru (7.4° S, 75.0° W: paleocoordinates 8.3° S, 70.8° W)

• coordinate stated in text

• outcrop-level geographic resolution

When: base Member (Pebas Formation), Colhuehuapian (21.0 - 17.5 Ma)

• Early Miocene

Environment/lithology: lacustrine; lithology not reported

• Lacustrine setting, marine influence

Size class: mesofossils

Primary reference: 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]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
  -
Serrasalminae "pacu-like"
"numerous teeth"
Spermatophyta indet.
"silicified wood"
Gastropoda
 Cerithioidea - Pachychilidae
Pachychilidae indet. Troschel 1857 snail
 Sorbeoconcha - Cochliopidae
Cochliopidae indet. Tryon 1866 snail
"pyritized moulds"
Dyris cf. lintea snail
"pyritized mould"
Dyris sp. Conrad 1871 snail
Chondrichthyes
 Myliobatiformes - Potamotrygonidae
Potamotrygon sp. Garman 1877 stingray
teeth
 Myliobatiformes - Dasyatidae
Dasyatidae indet. Jordan 1888 whiptail stingray
teeth
Mammalia
 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
 Chiroptera - Emballonuridae
Emballonuridae indet. Dobson 1875 sac-winged bat
"large upper molar"
 Cingulata - Glyptodontidae
Parapropalaehoplophorus sp. Croft et al. 2007 glyptodon
scute
 Cingulata - Pampatheriidae
Pampatheriidae indet. Paula Couto 1954 edentate
scute
 Cingulata - Dasypodidae
Dasypodini indet. Bonaparte 1850 armadillo
"fragmentary scute"
  - Mylodontidae
cf. Pseudoprepotherium sp. Hoffstetter 1961 edentate
"upper tooth"
 Notoungulata - Leontiniidae
? Leontiniidae indet. Ameghino 1894 notoungulate
"one protohypsodont molar fragment"
 Notoungulata - Toxodontidae
Toxodontidae indet. Ameghino 1889 notoungulate
"several hypselodont molar fragments"
 Sirenia - Trichechidae
Trichechinae indet. Gray 1825 manatee
"lower 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"
Reptilia
 Testudines - Chelidae
? Chelidae indet. Gray 1825 sideneck turtle
plate
 Testudines - Podocnemididae
Podocnemis sp. Wagler 1830 river turtle
"fragmentary carapace"
 Squamata -
Squamata indet. squamates
"small-sized (1 vertebra)"
 Squamata - Teiidae
? Teiidae indet. Gray 1827 squamates
"?Teiidae/Tupinambidae indet. (1 tooth)"
 Loricata - Sebecidae
cf. Langstonia sp. Paolillo and Linares 2007 crocodilian
"complete tooth"
 Crocodylia -
Gavialoidea indet. crocodilian
"several teeth and fragments"
 Crocodylia - Alligatoridae
Purussaurus sp. Barbosa Rodrigues 1892 crocodilian
"tooth fragments"
Caiman sp. Spix 1825 caiman
"occipital fragment"
Actinopteri
 Teleostei -
 Characiformes - Anostomidae
Anostomidae indet.
"tricuspid teeth, co-dominant"
Leporinus sp. Lundberg 1997
"co-dominant"
 Characiformes - Cynodontidae
cf. Hydrolycus sp. Lundberg 1997
"several teeth"
 Teleostei -
Siluriformes indet. catfish
"fragmentary spines"