NA069 (Miocene of Peru)

Also known as Iquitos Arch; Napo River

Where: Peru (2.8° S, 73.6° W: paleocoordinates 3.4° S, 70.8° W)

• coordinate stated in text

• small collection-level geographic resolution

When: Pebas Formation, Laventan (13.8 - 11.0 Ma)

• bed-level stratigraphic resolution

Environment/lithology: coastal; mudstone

• This deposit, probably associated with a transgressive erosional surface, over-lies a lignite bed that caps a bioturbated mud sequence.
• The fossil of Paradracaenasp. was found in a muddy shell bed with fragmented and non-fragmented gastropod shells, some wood clasts and isolated bones.

Size class: macrofossils

Collected in 2004

• Deposited at MUSM, Museo de Historia Natural de laUniversidad Mayor de San Marcos, Lima, Peru

Primary reference: F. Pujos, A. M. Albino, P. Baby and J. L. Guyot. 2009. Presence of the extinct lizard Paradracaena (Teiidae) in the Middle Miocene of the Peruvian Amazon. Journal of Vertebrate Paleontology 29(2):594-598 [E. Vlachos/E. Vlachos]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 213137: authorized by Evangelos Vlachos, entered by Evangelos Vlachos on 26.08.2020

Creative Commons license: CC BY (attribution)

Taxonomic list

Show authors, comments, and common names
Reptilia
 Crocodylia - Alligatoridae
Purussaurus sp.
Purussaurus sp. Barbosa Rodrigues 1892 crocodilian
 Testudines - Podocnemididae
Podocnemis sp.
Podocnemis sp. Wagler 1830 river turtle
MUSM 919, a carapace with a large part missing as a result of a Purussaurus bite
 Squamata - Teiidae
Paradracaena sp.
Paradracaena sp. Sullivan and Estes 1997 squamates
MUSM 935, subcomplete left dentary
Mammalia
  - Mylodontidae
Pseudoprepotherium sp.
Pseudoprepotherium sp. Hoffstetter 1961 edentate
MUSM 1587, left tibia with bite marks of Purussaurus
Osteichthyes
 Ceratodontiformes - Lepidosirenidae
Lepidosiren sp.
Lepidosiren sp. Fitzinger 1837 Australian lungfish