Upper Purus River (Pliocene of Brazil)

Where: Brazil (34.7° S, 61.5° W: paleocoordinates 34.8° S, 60.4° W)

• coordinate based on nearby landmark

• outcrop-level geographic resolution

When: Pliocene (5.3 - 2.6 Ma)

• A Pliocene age is based on "a tooth of Megamys (?) and a humerus of a megalonychine ground-sloth, which are stated by Dr. Matthew to suggest Pliocene age" (Mook 1921)

• bed-level stratigraphic resolution

Environment/lithology: terrestrial; lithology not reported

Size class: macrofossils

Collected by Mr. S. H. Roper; reposited in the AMNH

Collection methods: surface (float)

Primary reference: C. C. Mook. 1921. Brachygnathosuchus braziliensis, a new fossil crocodilian from Brazil. Bulletin of the American Museum of Natural History 44:43-49 [M. Carrano/M. Carrano/P. Mannion]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 143727: authorized by Philip Mannion, entered by Philip Mannion on 25.04.2013

Creative Commons license: CC BY (attribution)

Taxonomic list

 Crocodylia -
"Brachygnathosuchus braziliensis n. gen. n. sp." = Dinosuchus terror
"Brachygnathosuchus braziliensis n. gen. n. sp." = Dinosuchus terror Gervais 1876 crocodilian
AMNH 3855 - holotype (portion of a right dentary, tvertebral centra, and two more or Jess problematical bones, provisionally identified as a vertebral centrum and a dermal scute)
 Rodentia - Dinomyidae
"? Megamys sp." = Eumegamys
"? Megamys sp." = Eumegamys Kraglievich 1926 caviomorph
 Xenarthra - Megalonychidae
Megalonychinae indet. Trouessart 1904 edentate