CTA-44 Top (Miocene of Peru)

Where: Peru (7.4° S, 75.0° W: paleocoordinates 7.8° S, 73.0° W)

• coordinate stated in text

• outcrop-level geographic resolution

When: Pebas Formation, Tortonian (11.6 - 7.2 Ma)

• "earliest Late Miocene"

Environment/lithology: coastal; lithology not reported

• Coastal channel, 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 176162: authorized by Jelle Zijlstra, entered by Jelle Zijlstra on 30.01.2016

Creative Commons license: CC BY (attribution)

Taxonomic list

Show authors, comments, and common names
unclassified
  -
Serrasalminae "pacu-like", Serrasalminae "piranha-like", Cavinae indet.
Cavinae indet.
"Same taxon as in CTA-43, (right M1, anterior prism of an M1-2)"
Reptilia
 Crocodylia - Alligatoridae
Caimaninae "durophagous taxon", Purussaurus sp.
Caimaninae "durophagous taxon" Brochu 1999 crocodilian
"worn tooth"
Purussaurus sp. Barbosa Rodrigues 1892 crocodilian
teeth
 Crocodylia - Gavialidae
Gavialidae indet.
Gavialidae indet. crocodilian
"several teeth and fragments"
 Testudines - Podocnemididae
Podocnemis sp.
Podocnemis sp. Wagler 1830 river turtle
"shell fragments"
 Testudines -
"Chelonia indet." = Testudines
"Chelonia indet." = Testudines Batsch 1788 turtle
"shell fragments"
Mammalia
 Cingulata - Pampatheriidae
cf. Scirrotherium sp.
cf. Scirrotherium sp. Edmund and Theodor 1997 edentate
scute
 Cingulata - Dasypodidae
Tolypeutinae indet.
Tolypeutinae indet. Gray 1865 armadillo
scute
 Chiroptera - Molossidae
Molossidae indet.
Molossidae indet. Gervais 1856 free-tailed bat
"large upper canine"
 Notoungulata - Toxodontidae
Toxodontidae indet.
Toxodontidae indet. Ameghino 1889 notoungulate
"large, molar fragment"
 Theriamorpha -
"Ungulata indet." = Euungulata
"Ungulata indet." = Euungulata Waddell et al. 2001 placental
"enamel fragment"
 Rodentia -
? Octodontoidea indet.
? Octodontoidea indet. Waterhouse 1839 caviomorph
"small incisors"
 Rodentia - Dinomyidae
Potamarchus sp., Drytomomys sp.
Potamarchus sp. Burmeister 1885 caviomorph
"(2 d4, right and left M1-2, left m1-2), same taxon as in CTA-43 and CTA-75"
Drytomomys sp. Anthony 1922 caviomorph
right p4
 Rodentia - Neoepiblemidae
Neoepiblema sp.
Neoepiblema sp. Ameghino 1889 caviomorph
left p4
 Rodentia - Dasyproctidae
Dasyproctidae indet.
Dasyproctidae indet. Gray 1825 caviomorph
"protohypsodont right M1-2"
 Metatheria -
Sparassodonta indet.
Sparassodonta indet. Ameghino 1894 metatherian
"small (left p2 or p3)"
Osteichthyes
 Ceratodontiformes - Lepidosirenidae
? Lepidosiren sp.
? Lepidosiren sp. Fitzinger 1837 Australian lungfish
"upper tooth plate"
Actinopteri
 Teleostei -
Characiformes "croc-like teeth"
 Characiformes - Anostomidae
Anostomidae "tricuspid teeth", Anostomidae "hexacuspid teeth"
 Characiformes - Cynodontidae
cf. Hydrolycus sp.
cf. Hydrolycus sp. Lundberg 1997
teeth
 Teleostei -
Siluriformes indet.
Siluriformes indet. catfish
spines
 Siluriformes - Pimelodidae
Phractocephalus sp.
Phractocephalus sp. Spix and Agassiz 1829 cajaro
"cranial roof"
 Siluriformes - Loricariidae
Loricariidae indet.
Loricariidae indet. Gill 1872 catfish
"muffel-like teeth"
Chondrichthyes
 Myliobatiformes - Potamotrygonidae
Potamotrygon cf. motoro, Potamotrygon sp.
Potamotrygon cf. motoro stingray
"133 teeth + 2 buckles"
Potamotrygon sp. Garman 1877 stingray
"several teeth"
 Myliobatiformes - Dasyatidae
Dasyatidae indet.
Dasyatidae indet. Jordan 1888 whiptail stingray
"~40 teeth"
 Rhinopristiformes - Pristidae
Pristis sp.
Pristis sp. Linck 1790 sawfish
"4 teeth, one rostral tooth"
Malacostraca
 Decapoda - Trichodactylidae
Trichodactylidae indet.
Trichodactylidae indet. Milne-Edwards 1853 crab
"claw fragments"