Also known as Iquitos area, Fernando Lores District; Tamshiyacu river
Where: Maynas, Peru (4.0° S, 73.2° W: paleocoordinates 4.6° S, 70.2° W)
• coordinate estimated from map
• small collection-level geographic resolution
When: MZ8 other zone, Pebas Formation, Middle Miocene (16.0 - 11.6 Ma)
• late Middle Miocene, approx. 13 Ma; “upper lignite”; Mollusc Zone 8 (MZ8)
• bed-level stratigraphic resolution
Environment/lithology: lacustrine - large; lignite
Size class: macrofossils
Collected in 2002-2013
Primary reference: R. Salas-Gismondi, J. J. Flynn, P. Baby, J. V. Tejada-Lara, F. P. Wesselingh and P.-O. Antoine. 2015. A Miocene hyperdiverse crocodylian community reveals peculiar trophic dynamics in proto-Amazonian mega-wetlands. Proceedings of the Royal Society of London, Series B 282:20142490 [P. Mannion/P. Mannion]more details
Purpose of describing collection: taxonomic analysis
PaleoDB collection 166768: authorized by Philip Mannion, entered by Philip Mannion on 26.02.2015
Creative Commons license: CC BY (attribution)
Taxonomic list
| Reptilia | |
Paleosuchus sp., Purussaurus neivensis, Caiman wannlangstoni, Mourasuchus atopus, Gnatusuchus pebasensis n. gen. n. sp., Kuttanacaiman iquitosensis
Paleosuchus sp. Gray 1862 caiman MUSM 1740, portion of right dentary; MUSM 1927, posterior portion of left maxilla; MUSM 1939, portion of left dentary; MUSM 1945, posterior portion of maxilla; MUSM 1989, partial right maxilla, jugal, and ectopterygoid
Caiman wannlangstoni Salas-Gismondi et al. 2015 caiman MUSM 928, right maxilla; MUSM 1983, associated maxilla, mandible with teeth, and partial skull table
Gnatusuchus pebasensis n. gen. n. sp. Salas-Gismondi et al. 2015 crocodilian MUSM 990 - holotype (skull); referred material: MUSM 925, anterior portion of right dentary with 1-5 alveoli; MUSM 1437, edentulous right premaxilla; MUSM 1465, edentulous premaxillae; MUSM 1737, left mandible; MUSM 1739, left splenial; MUSM 1761, anterior portion of right dentary with 1-6 alveoli; MUSM 1979, right mandible; MUSM 2040, left dentary and splenial with one globular tooth; MUSM 2051, right squamosal, exoccipital, and quadrate
Kuttanacaiman iquitosensis Salas-Gismondi et al. 2015 crocodilian MUSM 1942, associated left mandible, left maxilla, and skull table; MUSM 1928, juvenile partial skull table; MUSM 2394, juvenile partial skull table, MUSM 2078, partial left dentary
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Gryposuchus pachakamue n. sp.
Gryposuchus pachakamue n. sp. Salas-Gismondi et al. 2016 crocodilian "Pebas gavialoid": MUSM 1981, skull without occipital and pterygoid region; MUSM 1428, right mandible; MUSM 1988, juvenile skull table; MUSM 2407, mandibular symphysis
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