IQ136 (Miocene of Peru)

Also known as Iquitos area, Fernando Lores District; Itaya River

Where: Maynas, Peru (4.0° S, 73.4° W: paleocoordinates 4.6° S, 70.4° W)

• coordinate estimated from map

• small collection-level geographic resolution

When: MZ5 other zone, Pebas Formation, Middle Miocene (16.0 - 11.6 Ma)

• late Middle Miocene, 16–15 Ma; “upper lignite”

• bed-level stratigraphic resolution

Environment/lithology: lacustrine - large; lignite

• Lowstand/early transgression in recurring depositional sequences in a megalake system

Size class: macrofossils

Collected in 2002-2013

Primary reference: R. Salas-Gismondi, J. J. Flynn, P. Baby, J. V. Tejada-Lara, J. Claude and P.-O. Antoine. 2016. A New 13 Million Year Old Gavialoid Crocodylian from Proto-Amazonian Mega-Wetlands Reveals Parallel Evolutionary Trends in Skull Shape Linked to Longirostry. PLoS ONE 11(4):e0152453:1-29 [P. Mannion/P. Mannion]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 179000: authorized by Philip Mannion, entered by Philip Mannion on 24.05.2016

Creative Commons license: CC BY (attribution)

Taxonomic list

• MUSM = Departamento de Paleontología de Vertebrados, Museo de Historia Natural, Universidad Nacional Mayor de San Marcos, Lima, Perú
Show authors, comments, and common names
Reptilia
 Crocodylia - Gavialidae
Gryposuchus pachakamue
Gryposuchus pachakamue Salas-Gismondi et al. 2016 crocodilian
MUSM 1681 (partial skull) and MUSM 1682 (symphyseal mandible of a juvenile)